Home / 918,078.20-1,377,117.30-898,395.20

Finding the Fourth Proportional to 918,078.20, 1,377,117.30 and 898,395.20

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Solution

The fourth proportional to 918,078.20, 1,377,117.30 and 898,395.20 is: 1,347,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,078.20 : 1,377,117.30 = 898,395.20 : x
  2. Step 2: Convert to fraction form
    918,078.20/1,377,117.30 = 898,395.20/x
  3. Step 3: Cross multiply
    918,078.20x = 1,377,117.30 × 898,395.20
  4. Step 4: Simplify right side
    918,078.20x = 1,237,195,572,156.96
  5. Step 5: Solve for x
    x = 1,237,195,572,156.96/918,078.20
  6. Step 6: Final answer
    x = 1,347,592.80

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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.