Home / 1,140,266.24-1,710,381.44-392,318.72

Finding the Fourth Proportional to 1,140,266.24, 1,710,381.44 and 392,318.72

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Solution

The fourth proportional to 1,140,266.24, 1,710,381.44 and 392,318.72 is: 588,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,266.24 : 1,710,381.44 = 392,318.72 : x
  2. Step 2: Convert to fraction form
    1,140,266.24/1,710,381.44 = 392,318.72/x
  3. Step 3: Cross multiply
    1,140,266.24x = 1,710,381.44 × 392,318.72
  4. Step 4: Simplify right side
    1,140,266.24x = 671,014,657,252.56
  5. Step 5: Solve for x
    x = 671,014,657,252.56/1,140,266.24
  6. Step 6: Final answer
    x = 588,471.91

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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.