Home / 1,478,039.76-2,217,064.28-413,074.80

Finding the Fourth Proportional to 1,478,039.76, 2,217,064.28 and 413,074.80

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Solution

The fourth proportional to 1,478,039.76, 2,217,064.28 and 413,074.80 is: 619,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,039.76 : 2,217,064.28 = 413,074.80 : x
  2. Step 2: Convert to fraction form
    1,478,039.76/2,217,064.28 = 413,074.80/x
  3. Step 3: Cross multiply
    1,478,039.76x = 2,217,064.28 × 413,074.80
  4. Step 4: Simplify right side
    1,478,039.76x = 915,813,384,048.14
  5. Step 5: Solve for x
    x = 915,813,384,048.14/1,478,039.76
  6. Step 6: Final answer
    x = 619,613.50

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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.