Home / 865,827.60-1,298,741.40-708,363.60

Finding the Fourth Proportional to 865,827.60, 1,298,741.40 and 708,363.60

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Solution

The fourth proportional to 865,827.60, 1,298,741.40 and 708,363.60 is: 1,062,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,827.60 : 1,298,741.40 = 708,363.60 : x
  2. Step 2: Convert to fraction form
    865,827.60/1,298,741.40 = 708,363.60/x
  3. Step 3: Cross multiply
    865,827.60x = 1,298,741.40 × 708,363.60
  4. Step 4: Simplify right side
    865,827.60x = 919,981,133,573.04
  5. Step 5: Solve for x
    x = 919,981,133,573.04/865,827.60
  6. Step 6: Final answer
    x = 1,062,545.40

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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.