Home / 1,587,968.45-2,380,613.54-688,732.93

Finding the Fourth Proportional to 1,587,968.45, 2,380,613.54 and 688,732.93

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Solution

The fourth proportional to 1,587,968.45, 2,380,613.54 and 688,732.93 is: 1,032,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,968.45 : 2,380,613.54 = 688,732.93 : x
  2. Step 2: Convert to fraction form
    1,587,968.45/2,380,613.54 = 688,732.93/x
  3. Step 3: Cross multiply
    1,587,968.45x = 2,380,613.54 × 688,732.93
  4. Step 4: Simplify right side
    1,587,968.45x = 1,639,606,928,617.15
  5. Step 5: Solve for x
    x = 1,639,606,928,617.15/1,587,968.45
  6. Step 6: Final answer
    x = 1,032,518.58

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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.