Home / 1,587,969.95-2,380,615.79-688,734.42

Finding the Fourth Proportional to 1,587,969.95, 2,380,615.79 and 688,734.42

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Solution

The fourth proportional to 1,587,969.95, 2,380,615.79 and 688,734.42 is: 1,032,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,969.95 : 2,380,615.79 = 688,734.42 : x
  2. Step 2: Convert to fraction form
    1,587,969.95/2,380,615.79 = 688,734.42/x
  3. Step 3: Cross multiply
    1,587,969.95x = 2,380,615.79 × 688,734.42
  4. Step 4: Simplify right side
    1,587,969.95x = 1,639,612,031,924.82
  5. Step 5: Solve for x
    x = 1,639,612,031,924.82/1,587,969.95
  6. Step 6: Final answer
    x = 1,032,520.82

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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.