Home / 1,343,693.48-1,854,332.12-731,869.43

Finding the Fourth Proportional to 1,343,693.48, 1,854,332.12 and 731,869.43

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Solution

The fourth proportional to 1,343,693.48, 1,854,332.12 and 731,869.43 is: 1,009,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,693.48 : 1,854,332.12 = 731,869.43 : x
  2. Step 2: Convert to fraction form
    1,343,693.48/1,854,332.12 = 731,869.43/x
  3. Step 3: Cross multiply
    1,343,693.48x = 1,854,332.12 × 731,869.43
  4. Step 4: Simplify right side
    1,343,693.48x = 1,357,128,984,253.10
  5. Step 5: Solve for x
    x = 1,357,128,984,253.10/1,343,693.48
  6. Step 6: Final answer
    x = 1,009,998.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.