Home / 1,039,288.16-1,559,096.40-440,253.20

Finding the Fourth Proportional to 1,039,288.16, 1,559,096.40 and 440,253.20

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Solution

The fourth proportional to 1,039,288.16, 1,559,096.40 and 440,253.20 is: 660,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,288.16 : 1,559,096.40 = 440,253.20 : x
  2. Step 2: Convert to fraction form
    1,039,288.16/1,559,096.40 = 440,253.20/x
  3. Step 3: Cross multiply
    1,039,288.16x = 1,559,096.40 × 440,253.20
  4. Step 4: Simplify right side
    1,039,288.16x = 686,397,179,208.48
  5. Step 5: Solve for x
    x = 686,397,179,208.48/1,039,288.16
  6. Step 6: Final answer
    x = 660,449.34

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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.