Home / 1,247,626.60-1,869,889.50-572,992.18

Finding the Fourth Proportional to 1,247,626.60, 1,869,889.50 and 572,992.18

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Solution

The fourth proportional to 1,247,626.60, 1,869,889.50 and 572,992.18 is: 858,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,626.60 : 1,869,889.50 = 572,992.18 : x
  2. Step 2: Convert to fraction form
    1,247,626.60/1,869,889.50 = 572,992.18/x
  3. Step 3: Cross multiply
    1,247,626.60x = 1,869,889.50 × 572,992.18
  4. Step 4: Simplify right side
    1,247,626.60x = 1,071,432,060,964.11
  5. Step 5: Solve for x
    x = 1,071,432,060,964.11/1,247,626.60
  6. Step 6: Final answer
    x = 858,776.22

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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.