Home / 1,120,306.83-1,680,048.51-400,454.28

Finding the Fourth Proportional to 1,120,306.83, 1,680,048.51 and 400,454.28

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Solution

The fourth proportional to 1,120,306.83, 1,680,048.51 and 400,454.28 is: 600,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,306.83 : 1,680,048.51 = 400,454.28 : x
  2. Step 2: Convert to fraction form
    1,120,306.83/1,680,048.51 = 400,454.28/x
  3. Step 3: Cross multiply
    1,120,306.83x = 1,680,048.51 × 400,454.28
  4. Step 4: Simplify right side
    1,120,306.83x = 672,782,616,437.12
  5. Step 5: Solve for x
    x = 672,782,616,437.12/1,120,306.83
  6. Step 6: Final answer
    x = 600,534.25

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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.