Home / 1,251,212.64-1,876,529.16-745,915.20

Finding the Fourth Proportional to 1,251,212.64, 1,876,529.16 and 745,915.20

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Solution

The fourth proportional to 1,251,212.64, 1,876,529.16 and 745,915.20 is: 1,118,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,212.64 : 1,876,529.16 = 745,915.20 : x
  2. Step 2: Convert to fraction form
    1,251,212.64/1,876,529.16 = 745,915.20/x
  3. Step 3: Cross multiply
    1,251,212.64x = 1,876,529.16 × 745,915.20
  4. Step 4: Simplify right side
    1,251,212.64x = 1,399,731,623,687.23
  5. Step 5: Solve for x
    x = 1,399,731,623,687.23/1,251,212.64
  6. Step 6: Final answer
    x = 1,118,700.03

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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.