Home / 1,487,601.60-2,231,402.40-920,731.20

Finding the Fourth Proportional to 1,487,601.60, 2,231,402.40 and 920,731.20

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Solution

The fourth proportional to 1,487,601.60, 2,231,402.40 and 920,731.20 is: 1,381,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,601.60 : 2,231,402.40 = 920,731.20 : x
  2. Step 2: Convert to fraction form
    1,487,601.60/2,231,402.40 = 920,731.20/x
  3. Step 3: Cross multiply
    1,487,601.60x = 2,231,402.40 × 920,731.20
  4. Step 4: Simplify right side
    1,487,601.60x = 2,054,521,809,434.88
  5. Step 5: Solve for x
    x = 2,054,521,809,434.88/1,487,601.60
  6. Step 6: Final answer
    x = 1,381,096.80

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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.