Home / 1,587,977.46-2,380,627.05-688,741.92

Finding the Fourth Proportional to 1,587,977.46, 2,380,627.05 and 688,741.92

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Solution

The fourth proportional to 1,587,977.46, 2,380,627.05 and 688,741.92 is: 1,032,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,977.46 : 2,380,627.05 = 688,741.92 : x
  2. Step 2: Convert to fraction form
    1,587,977.46/2,380,627.05 = 688,741.92/x
  3. Step 3: Cross multiply
    1,587,977.46x = 2,380,627.05 × 688,741.92
  4. Step 4: Simplify right side
    1,587,977.46x = 1,639,637,645,220.94
  5. Step 5: Solve for x
    x = 1,639,637,645,220.94/1,587,977.46
  6. Step 6: Final answer
    x = 1,032,532.06

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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.