Home / 1,039,731.84-1,559,597.76-440,679.60

Finding the Fourth Proportional to 1,039,731.84, 1,559,597.76 and 440,679.60

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Solution

The fourth proportional to 1,039,731.84, 1,559,597.76 and 440,679.60 is: 661,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,731.84 : 1,559,597.76 = 440,679.60 : x
  2. Step 2: Convert to fraction form
    1,039,731.84/1,559,597.76 = 440,679.60/x
  3. Step 3: Cross multiply
    1,039,731.84x = 1,559,597.76 × 440,679.60
  4. Step 4: Simplify right side
    1,039,731.84x = 687,282,917,037.70
  5. Step 5: Solve for x
    x = 687,282,917,037.70/1,039,731.84
  6. Step 6: Final answer
    x = 661,019.40

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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.