Home / 1,143,780.04-1,714,472.95-385,359.49

Finding the Fourth Proportional to 1,143,780.04, 1,714,472.95 and 385,359.49

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Solution

The fourth proportional to 1,143,780.04, 1,714,472.95 and 385,359.49 is: 577,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,780.04 : 1,714,472.95 = 385,359.49 : x
  2. Step 2: Convert to fraction form
    1,143,780.04/1,714,472.95 = 385,359.49/x
  3. Step 3: Cross multiply
    1,143,780.04x = 1,714,472.95 × 385,359.49
  4. Step 4: Simplify right side
    1,143,780.04x = 660,688,421,630.80
  5. Step 5: Solve for x
    x = 660,688,421,630.80/1,143,780.04
  6. Step 6: Final answer
    x = 577,635.91

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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.