Home / 1,290,617.39-1,781,274.93-747,052.89

Finding the Fourth Proportional to 1,290,617.39, 1,781,274.93 and 747,052.89

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Solution

The fourth proportional to 1,290,617.39, 1,781,274.93 and 747,052.89 is: 1,031,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,617.39 : 1,781,274.93 = 747,052.89 : x
  2. Step 2: Convert to fraction form
    1,290,617.39/1,781,274.93 = 747,052.89/x
  3. Step 3: Cross multiply
    1,290,617.39x = 1,781,274.93 × 747,052.89
  4. Step 4: Simplify right side
    1,290,617.39x = 1,330,706,575,434.67
  5. Step 5: Solve for x
    x = 1,330,706,575,434.67/1,290,617.39
  6. Step 6: Final answer
    x = 1,031,062.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.