Home / 1,057,367.83-1,455,479.86-912,632.80

Finding the Fourth Proportional to 1,057,367.83, 1,455,479.86 and 912,632.80

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Solution

The fourth proportional to 1,057,367.83, 1,455,479.86 and 912,632.80 is: 1,256,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,367.83 : 1,455,479.86 = 912,632.80 : x
  2. Step 2: Convert to fraction form
    1,057,367.83/1,455,479.86 = 912,632.80/x
  3. Step 3: Cross multiply
    1,057,367.83x = 1,455,479.86 × 912,632.80
  4. Step 4: Simplify right side
    1,057,367.83x = 1,328,318,648,134.84
  5. Step 5: Solve for x
    x = 1,328,318,648,134.84/1,057,367.83
  6. Step 6: Final answer
    x = 1,256,250.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.