Home / 1,251,147.12-1,875,596.88-611,088.72

Finding the Fourth Proportional to 1,251,147.12, 1,875,596.88 and 611,088.72

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Solution

The fourth proportional to 1,251,147.12, 1,875,596.88 and 611,088.72 is: 916,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,147.12 : 1,875,596.88 = 611,088.72 : x
  2. Step 2: Convert to fraction form
    1,251,147.12/1,875,596.88 = 611,088.72/x
  3. Step 3: Cross multiply
    1,251,147.12x = 1,875,596.88 × 611,088.72
  4. Step 4: Simplify right side
    1,251,147.12x = 1,146,156,096,635.19
  5. Step 5: Solve for x
    x = 1,146,156,096,635.19/1,251,147.12
  6. Step 6: Final answer
    x = 916,084.19

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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.