Home / 1,209,482.12-1,815,344.18-610,863.66

Finding the Fourth Proportional to 1,209,482.12, 1,815,344.18 and 610,863.66

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Solution

The fourth proportional to 1,209,482.12, 1,815,344.18 and 610,863.66 is: 916,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,482.12 : 1,815,344.18 = 610,863.66 : x
  2. Step 2: Convert to fraction form
    1,209,482.12/1,815,344.18 = 610,863.66/x
  3. Step 3: Cross multiply
    1,209,482.12x = 1,815,344.18 × 610,863.66
  4. Step 4: Simplify right side
    1,209,482.12x = 1,108,927,785,803.32
  5. Step 5: Solve for x
    x = 1,108,927,785,803.32/1,209,482.12
  6. Step 6: Final answer
    x = 916,861.66

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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.