Home / 1,343,269.59-1,853,704.11-731,420.89

Finding the Fourth Proportional to 1,343,269.59, 1,853,704.11 and 731,420.89

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Solution

The fourth proportional to 1,343,269.59, 1,853,704.11 and 731,420.89 is: 1,009,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,269.59 : 1,853,704.11 = 731,420.89 : x
  2. Step 2: Convert to fraction form
    1,343,269.59/1,853,704.11 = 731,420.89/x
  3. Step 3: Cross multiply
    1,343,269.59x = 1,853,704.11 × 731,420.89
  4. Step 4: Simplify right side
    1,343,269.59x = 1,355,837,908,041.43
  5. Step 5: Solve for x
    x = 1,355,837,908,041.43/1,343,269.59
  6. Step 6: Final answer
    x = 1,009,356.51

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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.