Home / 1,145,686.64-1,581,097.61-636,389.02

Finding the Fourth Proportional to 1,145,686.64, 1,581,097.61 and 636,389.02

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Solution

The fourth proportional to 1,145,686.64, 1,581,097.61 and 636,389.02 is: 878,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,686.64 : 1,581,097.61 = 636,389.02 : x
  2. Step 2: Convert to fraction form
    1,145,686.64/1,581,097.61 = 636,389.02/x
  3. Step 3: Cross multiply
    1,145,686.64x = 1,581,097.61 × 636,389.02
  4. Step 4: Simplify right side
    1,145,686.64x = 1,006,193,147,464.81
  5. Step 5: Solve for x
    x = 1,006,193,147,464.81/1,145,686.64
  6. Step 6: Final answer
    x = 878,244.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.