Home / 1,407,540.24-2,111,280.78-342,588.24

Finding the Fourth Proportional to 1,407,540.24, 2,111,280.78 and 342,588.24

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Solution

The fourth proportional to 1,407,540.24, 2,111,280.78 and 342,588.24 is: 513,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,540.24 : 2,111,280.78 = 342,588.24 : x
  2. Step 2: Convert to fraction form
    1,407,540.24/2,111,280.78 = 342,588.24/x
  3. Step 3: Cross multiply
    1,407,540.24x = 2,111,280.78 × 342,588.24
  4. Step 4: Simplify right side
    1,407,540.24x = 723,299,966,566.03
  5. Step 5: Solve for x
    x = 723,299,966,566.03/1,407,540.24
  6. Step 6: Final answer
    x = 513,875.16

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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.