Home / 1,236,287.70-1,853,545.95-477,479.70

Finding the Fourth Proportional to 1,236,287.70, 1,853,545.95 and 477,479.70

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Solution

The fourth proportional to 1,236,287.70, 1,853,545.95 and 477,479.70 is: 715,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,287.70 : 1,853,545.95 = 477,479.70 : x
  2. Step 2: Convert to fraction form
    1,236,287.70/1,853,545.95 = 477,479.70/x
  3. Step 3: Cross multiply
    1,236,287.70x = 1,853,545.95 × 477,479.70
  4. Step 4: Simplify right side
    1,236,287.70x = 885,030,564,142.22
  5. Step 5: Solve for x
    x = 885,030,564,142.22/1,236,287.70
  6. Step 6: Final answer
    x = 715,877.51

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1.5x scale

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.