Home / 1,427,798.28-2,140,278.24-715,652.76

Finding the Fourth Proportional to 1,427,798.28, 2,140,278.24 and 715,652.76

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Solution

The fourth proportional to 1,427,798.28, 2,140,278.24 and 715,652.76 is: 1,072,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,798.28 : 2,140,278.24 = 715,652.76 : x
  2. Step 2: Convert to fraction form
    1,427,798.28/2,140,278.24 = 715,652.76/x
  3. Step 3: Cross multiply
    1,427,798.28x = 2,140,278.24 × 715,652.76
  4. Step 4: Simplify right side
    1,427,798.28x = 1,531,696,029,623.94
  5. Step 5: Solve for x
    x = 1,531,696,029,623.94/1,427,798.28
  6. Step 6: Final answer
    x = 1,072,767.81

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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.