Home / 1,011,625.76-1,516,271.28-380,135.84

Finding the Fourth Proportional to 1,011,625.76, 1,516,271.28 and 380,135.84

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Solution

The fourth proportional to 1,011,625.76, 1,516,271.28 and 380,135.84 is: 569,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,625.76 : 1,516,271.28 = 380,135.84 : x
  2. Step 2: Convert to fraction form
    1,011,625.76/1,516,271.28 = 380,135.84/x
  3. Step 3: Cross multiply
    1,011,625.76x = 1,516,271.28 × 380,135.84
  4. Step 4: Simplify right side
    1,011,625.76x = 576,389,056,690.68
  5. Step 5: Solve for x
    x = 576,389,056,690.68/1,011,625.76
  6. Step 6: Final answer
    x = 569,765.10

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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.