Home / 1,011,632.76-1,516,281.78-380,142.84

Finding the Fourth Proportional to 1,011,632.76, 1,516,281.78 and 380,142.84

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Solution

The fourth proportional to 1,011,632.76, 1,516,281.78 and 380,142.84 is: 569,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,632.76 : 1,516,281.78 = 380,142.84 : x
  2. Step 2: Convert to fraction form
    1,011,632.76/1,516,281.78 = 380,142.84/x
  3. Step 3: Cross multiply
    1,011,632.76x = 1,516,281.78 × 380,142.84
  4. Step 4: Simplify right side
    1,011,632.76x = 576,403,662,089.46
  5. Step 5: Solve for x
    x = 576,403,662,089.46/1,011,632.76
  6. Step 6: Final answer
    x = 569,775.60

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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.