Home / 992,479.10-1,488,718.65-724,984.70

Finding the Fourth Proportional to 992,479.10, 1,488,718.65 and 724,984.70

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Solution

The fourth proportional to 992,479.10, 1,488,718.65 and 724,984.70 is: 1,087,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,479.10 : 1,488,718.65 = 724,984.70 : x
  2. Step 2: Convert to fraction form
    992,479.10/1,488,718.65 = 724,984.70/x
  3. Step 3: Cross multiply
    992,479.10x = 1,488,718.65 × 724,984.70
  4. Step 4: Simplify right side
    992,479.10x = 1,079,298,243,854.65
  5. Step 5: Solve for x
    x = 1,079,298,243,854.65/992,479.10
  6. Step 6: Final answer
    x = 1,087,477.05

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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.