Home / 1,022,495.20-1,411,124.58-563,691.31

Finding the Fourth Proportional to 1,022,495.20, 1,411,124.58 and 563,691.31

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Solution

The fourth proportional to 1,022,495.20, 1,411,124.58 and 563,691.31 is: 777,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,495.20 : 1,411,124.58 = 563,691.31 : x
  2. Step 2: Convert to fraction form
    1,022,495.20/1,411,124.58 = 563,691.31/x
  3. Step 3: Cross multiply
    1,022,495.20x = 1,411,124.58 × 563,691.31
  4. Step 4: Simplify right side
    1,022,495.20x = 795,438,663,073.40
  5. Step 5: Solve for x
    x = 795,438,663,073.40/1,022,495.20
  6. Step 6: Final answer
    x = 777,938.77

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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.