Home / 743,362.60-1,109,426.27-671,618.20

Finding the Fourth Proportional to 743,362.60, 1,109,426.27 and 671,618.20

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Solution

The fourth proportional to 743,362.60, 1,109,426.27 and 671,618.20 is: 1,002,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,362.60 : 1,109,426.27 = 671,618.20 : x
  2. Step 2: Convert to fraction form
    743,362.60/1,109,426.27 = 671,618.20/x
  3. Step 3: Cross multiply
    743,362.60x = 1,109,426.27 × 671,618.20
  4. Step 4: Simplify right side
    743,362.60x = 745,110,874,490.11
  5. Step 5: Solve for x
    x = 745,110,874,490.11/743,362.60
  6. Step 6: Final answer
    x = 1,002,351.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.