Home / 1,440,901.28-2,161,106.76-481,248.08

Finding the Fourth Proportional to 1,440,901.28, 2,161,106.76 and 481,248.08

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Solution

The fourth proportional to 1,440,901.28, 2,161,106.76 and 481,248.08 is: 721,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,901.28 : 2,161,106.76 = 481,248.08 : x
  2. Step 2: Convert to fraction form
    1,440,901.28/2,161,106.76 = 481,248.08/x
  3. Step 3: Cross multiply
    1,440,901.28x = 2,161,106.76 × 481,248.08
  4. Step 4: Simplify right side
    1,440,901.28x = 1,040,028,478,925.02
  5. Step 5: Solve for x
    x = 1,040,028,478,925.02/1,440,901.28
  6. Step 6: Final answer
    x = 721,790.24

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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.