Home / 1,078,423.70-1,618,672.35-546,545.30

Finding the Fourth Proportional to 1,078,423.70, 1,618,672.35 and 546,545.30

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Solution

The fourth proportional to 1,078,423.70, 1,618,672.35 and 546,545.30 is: 820,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,423.70 : 1,618,672.35 = 546,545.30 : x
  2. Step 2: Convert to fraction form
    1,078,423.70/1,618,672.35 = 546,545.30/x
  3. Step 3: Cross multiply
    1,078,423.70x = 1,618,672.35 × 546,545.30
  4. Step 4: Simplify right side
    1,078,423.70x = 884,677,765,132.46
  5. Step 5: Solve for x
    x = 884,677,765,132.46/1,078,423.70
  6. Step 6: Final answer
    x = 820,343.40

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Double scale
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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.