Home / 1,587,935.45-2,380,564.19-688,699.91

Finding the Fourth Proportional to 1,587,935.45, 2,380,564.19 and 688,699.91

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Solution

The fourth proportional to 1,587,935.45, 2,380,564.19 and 688,699.91 is: 1,032,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,935.45 : 2,380,564.19 = 688,699.91 : x
  2. Step 2: Convert to fraction form
    1,587,935.45/2,380,564.19 = 688,699.91/x
  3. Step 3: Cross multiply
    1,587,935.45x = 2,380,564.19 × 688,699.91
  4. Step 4: Simplify right side
    1,587,935.45x = 1,639,494,351,075.38
  5. Step 5: Solve for x
    x = 1,639,494,351,075.38/1,587,935.45
  6. Step 6: Final answer
    x = 1,032,469.14

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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.