Home / 1,588,031.61-2,380,707.72-688,795.92

Finding the Fourth Proportional to 1,588,031.61, 2,380,707.72 and 688,795.92

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Solution

The fourth proportional to 1,588,031.61, 2,380,707.72 and 688,795.92 is: 1,032,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,031.61 : 2,380,707.72 = 688,795.92 : x
  2. Step 2: Convert to fraction form
    1,588,031.61/2,380,707.72 = 688,795.92/x
  3. Step 3: Cross multiply
    1,588,031.61x = 2,380,707.72 × 688,795.92
  4. Step 4: Simplify right side
    1,588,031.61x = 1,639,821,764,248.50
  5. Step 5: Solve for x
    x = 1,639,821,764,248.50/1,588,031.61
  6. Step 6: Final answer
    x = 1,032,612.80

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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.