Home / 1,407,506.11-2,111,259.36-342,548.17

Finding the Fourth Proportional to 1,407,506.11, 2,111,259.36 and 342,548.17

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Solution

The fourth proportional to 1,407,506.11, 2,111,259.36 and 342,548.17 is: 513,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,506.11 : 2,111,259.36 = 342,548.17 : x
  2. Step 2: Convert to fraction form
    1,407,506.11/2,111,259.36 = 342,548.17/x
  3. Step 3: Cross multiply
    1,407,506.11x = 2,111,259.36 × 342,548.17
  4. Step 4: Simplify right side
    1,407,506.11x = 723,208,030,163.37
  5. Step 5: Solve for x
    x = 723,208,030,163.37/1,407,506.11
  6. Step 6: Final answer
    x = 513,822.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.