Home / 1,407,672.90-2,111,489.55-342,717.30

Finding the Fourth Proportional to 1,407,672.90, 2,111,489.55 and 342,717.30

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Solution

The fourth proportional to 1,407,672.90, 2,111,489.55 and 342,717.30 is: 514,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,672.90 : 2,111,489.55 = 342,717.30 : x
  2. Step 2: Convert to fraction form
    1,407,672.90/2,111,489.55 = 342,717.30/x
  3. Step 3: Cross multiply
    1,407,672.90x = 2,111,489.55 × 342,717.30
  4. Step 4: Simplify right side
    1,407,672.90x = 723,643,997,554.22
  5. Step 5: Solve for x
    x = 723,643,997,554.22/1,407,672.90
  6. Step 6: Final answer
    x = 514,071.13

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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.