Home / 927,029.28-1,280,044.42-745,158.36

Finding the Fourth Proportional to 927,029.28, 1,280,044.42 and 745,158.36

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Solution

The fourth proportional to 927,029.28, 1,280,044.42 and 745,158.36 is: 1,028,916.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,029.28 : 1,280,044.42 = 745,158.36 : x
  2. Step 2: Convert to fraction form
    927,029.28/1,280,044.42 = 745,158.36/x
  3. Step 3: Cross multiply
    927,029.28x = 1,280,044.42 × 745,158.36
  4. Step 4: Simplify right side
    927,029.28x = 953,835,800,734.35
  5. Step 5: Solve for x
    x = 953,835,800,734.35/927,029.28
  6. Step 6: Final answer
    x = 1,028,916.58

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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.