Home / 1,457,030.30-2,185,545.45-1,138,165.70

Finding the Fourth Proportional to 1,457,030.30, 2,185,545.45 and 1,138,165.70

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Solution

The fourth proportional to 1,457,030.30, 2,185,545.45 and 1,138,165.70 is: 1,707,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,030.30 : 2,185,545.45 = 1,138,165.70 : x
  2. Step 2: Convert to fraction form
    1,457,030.30/2,185,545.45 = 1,138,165.70/x
  3. Step 3: Cross multiply
    1,457,030.30x = 2,185,545.45 × 1,138,165.70
  4. Step 4: Simplify right side
    1,457,030.30x = 2,487,512,866,981.07
  5. Step 5: Solve for x
    x = 2,487,512,866,981.07/1,457,030.30
  6. Step 6: Final answer
    x = 1,707,248.55

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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.