Home / 1,343,788.59-1,854,430.80-731,939.46

Finding the Fourth Proportional to 1,343,788.59, 1,854,430.80 and 731,939.46

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Solution

The fourth proportional to 1,343,788.59, 1,854,430.80 and 731,939.46 is: 1,010,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,788.59 : 1,854,430.80 = 731,939.46 : x
  2. Step 2: Convert to fraction form
    1,343,788.59/1,854,430.80 = 731,939.46/x
  3. Step 3: Cross multiply
    1,343,788.59x = 1,854,430.80 × 731,939.46
  4. Step 4: Simplify right side
    1,343,788.59x = 1,357,331,078,359.37
  5. Step 5: Solve for x
    x = 1,357,331,078,359.37/1,343,788.59
  6. Step 6: Final answer
    x = 1,010,077.84

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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.