Home / 1,354,930.34-1,869,669.15-782,155.04

Finding the Fourth Proportional to 1,354,930.34, 1,869,669.15 and 782,155.04

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Solution

The fourth proportional to 1,354,930.34, 1,869,669.15 and 782,155.04 is: 1,079,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,930.34 : 1,869,669.15 = 782,155.04 : x
  2. Step 2: Convert to fraction form
    1,354,930.34/1,869,669.15 = 782,155.04/x
  3. Step 3: Cross multiply
    1,354,930.34x = 1,869,669.15 × 782,155.04
  4. Step 4: Simplify right side
    1,354,930.34x = 1,462,371,148,805.02
  5. Step 5: Solve for x
    x = 1,462,371,148,805.02/1,354,930.34
  6. Step 6: Final answer
    x = 1,079,296.19

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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.