Home / 1,457,668.80-2,012,519.52-914,549.76

Finding the Fourth Proportional to 1,457,668.80, 2,012,519.52 and 914,549.76

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Solution

The fourth proportional to 1,457,668.80, 2,012,519.52 and 914,549.76 is: 1,262,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,668.80 : 2,012,519.52 = 914,549.76 : x
  2. Step 2: Convert to fraction form
    1,457,668.80/2,012,519.52 = 914,549.76/x
  3. Step 3: Cross multiply
    1,457,668.80x = 2,012,519.52 × 914,549.76
  4. Step 4: Simplify right side
    1,457,668.80x = 1,840,549,244,011.32
  5. Step 5: Solve for x
    x = 1,840,549,244,011.32/1,457,668.80
  6. Step 6: Final answer
    x = 1,262,666.28

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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.