Home / 1,407,677.85-2,111,521.10-342,720.09

Finding the Fourth Proportional to 1,407,677.85, 2,111,521.10 and 342,720.09

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Solution

The fourth proportional to 1,407,677.85, 2,111,521.10 and 342,720.09 is: 514,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,677.85 : 2,111,521.10 = 342,720.09 : x
  2. Step 2: Convert to fraction form
    1,407,677.85/2,111,521.10 = 342,720.09/x
  3. Step 3: Cross multiply
    1,407,677.85x = 2,111,521.10 × 342,720.09
  4. Step 4: Simplify right side
    1,407,677.85x = 723,660,699,715.30
  5. Step 5: Solve for x
    x = 723,660,699,715.30/1,407,677.85
  6. Step 6: Final answer
    x = 514,081.19

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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.