Home / 1,343,484.86-1,853,925.11-739,872.86

Finding the Fourth Proportional to 1,343,484.86, 1,853,925.11 and 739,872.86

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Solution

The fourth proportional to 1,343,484.86, 1,853,925.11 and 739,872.86 is: 1,020,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,484.86 : 1,853,925.11 = 739,872.86 : x
  2. Step 2: Convert to fraction form
    1,343,484.86/1,853,925.11 = 739,872.86/x
  3. Step 3: Cross multiply
    1,343,484.86x = 1,853,925.11 × 739,872.86
  4. Step 4: Simplify right side
    1,343,484.86x = 1,371,668,860,392.52
  5. Step 5: Solve for x
    x = 1,371,668,860,392.52/1,343,484.86
  6. Step 6: Final answer
    x = 1,020,978.28

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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.