Home / 1,126,268.12-1,553,869.50-642,492.92

Finding the Fourth Proportional to 1,126,268.12, 1,553,869.50 and 642,492.92

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Solution

The fourth proportional to 1,126,268.12, 1,553,869.50 and 642,492.92 is: 886,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,268.12 : 1,553,869.50 = 642,492.92 : x
  2. Step 2: Convert to fraction form
    1,126,268.12/1,553,869.50 = 642,492.92/x
  3. Step 3: Cross multiply
    1,126,268.12x = 1,553,869.50 × 642,492.92
  4. Step 4: Simplify right side
    1,126,268.12x = 998,350,152,353.94
  5. Step 5: Solve for x
    x = 998,350,152,353.94/1,126,268.12
  6. Step 6: Final answer
    x = 886,423.17

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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.