Home / 1,120,031.77-1,680,044.46-278,583.52

Finding the Fourth Proportional to 1,120,031.77, 1,680,044.46 and 278,583.52

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Solution

The fourth proportional to 1,120,031.77, 1,680,044.46 and 278,583.52 is: 417,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,031.77 : 1,680,044.46 = 278,583.52 : x
  2. Step 2: Convert to fraction form
    1,120,031.77/1,680,044.46 = 278,583.52/x
  3. Step 3: Cross multiply
    1,120,031.77x = 1,680,044.46 × 278,583.52
  4. Step 4: Simplify right side
    1,120,031.77x = 468,032,699,423.30
  5. Step 5: Solve for x
    x = 468,032,699,423.30/1,120,031.77
  6. Step 6: Final answer
    x = 417,874.49

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1.5x scale

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.