Home / 1,108,644.60-1,663,404.30-434,611.20

Finding the Fourth Proportional to 1,108,644.60, 1,663,404.30 and 434,611.20

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Solution

The fourth proportional to 1,108,644.60, 1,663,404.30 and 434,611.20 is: 652,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,644.60 : 1,663,404.30 = 434,611.20 : x
  2. Step 2: Convert to fraction form
    1,108,644.60/1,663,404.30 = 434,611.20/x
  3. Step 3: Cross multiply
    1,108,644.60x = 1,663,404.30 × 434,611.20
  4. Step 4: Simplify right side
    1,108,644.60x = 722,934,138,908.16
  5. Step 5: Solve for x
    x = 722,934,138,908.16/1,108,644.60
  6. Step 6: Final answer
    x = 652,088.27

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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.