Home / 1,039,290.61-1,559,775.56-440,672.11

Finding the Fourth Proportional to 1,039,290.61, 1,559,775.56 and 440,672.11

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Solution

The fourth proportional to 1,039,290.61, 1,559,775.56 and 440,672.11 is: 661,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,290.61 : 1,559,775.56 = 440,672.11 : x
  2. Step 2: Convert to fraction form
    1,039,290.61/1,559,775.56 = 440,672.11/x
  3. Step 3: Cross multiply
    1,039,290.61x = 1,559,775.56 × 440,672.11
  4. Step 4: Simplify right side
    1,039,290.61x = 687,349,584,481.66
  5. Step 5: Solve for x
    x = 687,349,584,481.66/1,039,290.61
  6. Step 6: Final answer
    x = 661,364.18

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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.