Home / 1,011,627.76-1,516,274.28-380,137.84

Finding the Fourth Proportional to 1,011,627.76, 1,516,274.28 and 380,137.84

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Solution

The fourth proportional to 1,011,627.76, 1,516,274.28 and 380,137.84 is: 569,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,627.76 : 1,516,274.28 = 380,137.84 : x
  2. Step 2: Convert to fraction form
    1,011,627.76/1,516,274.28 = 380,137.84/x
  3. Step 3: Cross multiply
    1,011,627.76x = 1,516,274.28 × 380,137.84
  4. Step 4: Simplify right side
    1,011,627.76x = 576,393,229,646.76
  5. Step 5: Solve for x
    x = 576,393,229,646.76/1,011,627.76
  6. Step 6: Final answer
    x = 569,768.10

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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.