Home / 1,143,442.56-1,715,411.52-344,657.28

Finding the Fourth Proportional to 1,143,442.56, 1,715,411.52 and 344,657.28

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Solution

The fourth proportional to 1,143,442.56, 1,715,411.52 and 344,657.28 is: 517,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,442.56 : 1,715,411.52 = 344,657.28 : x
  2. Step 2: Convert to fraction form
    1,143,442.56/1,715,411.52 = 344,657.28/x
  3. Step 3: Cross multiply
    1,143,442.56x = 1,715,411.52 × 344,657.28
  4. Step 4: Simplify right side
    1,143,442.56x = 591,229,068,563.87
  5. Step 5: Solve for x
    x = 591,229,068,563.87/1,143,442.56
  6. Step 6: Final answer
    x = 517,060.58

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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.