Home / 1,207,677.40-1,812,008.16-608,811.16

Finding the Fourth Proportional to 1,207,677.40, 1,812,008.16 and 608,811.16

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Solution

The fourth proportional to 1,207,677.40, 1,812,008.16 and 608,811.16 is: 913,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,677.40 : 1,812,008.16 = 608,811.16 : x
  2. Step 2: Convert to fraction form
    1,207,677.40/1,812,008.16 = 608,811.16/x
  3. Step 3: Cross multiply
    1,207,677.40x = 1,812,008.16 × 608,811.16
  4. Step 4: Simplify right side
    1,207,677.40x = 1,103,170,789,819.07
  5. Step 5: Solve for x
    x = 1,103,170,789,819.07/1,207,677.40
  6. Step 6: Final answer
    x = 913,464.80

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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.