Home / 1,148,689.71-1,585,165.76-719,206.83

Finding the Fourth Proportional to 1,148,689.71, 1,585,165.76 and 719,206.83

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Solution

The fourth proportional to 1,148,689.71, 1,585,165.76 and 719,206.83 is: 992,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,689.71 : 1,585,165.76 = 719,206.83 : x
  2. Step 2: Convert to fraction form
    1,148,689.71/1,585,165.76 = 719,206.83/x
  3. Step 3: Cross multiply
    1,148,689.71x = 1,585,165.76 × 719,206.83
  4. Step 4: Simplify right side
    1,148,689.71x = 1,140,062,037,678.11
  5. Step 5: Solve for x
    x = 1,140,062,037,678.11/1,148,689.71
  6. Step 6: Final answer
    x = 992,489.12

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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.