Home / 1,036,654.79-1,555,006.78-278,497.22

Finding the Fourth Proportional to 1,036,654.79, 1,555,006.78 and 278,497.22

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Solution

The fourth proportional to 1,036,654.79, 1,555,006.78 and 278,497.22 is: 417,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,654.79 : 1,555,006.78 = 278,497.22 : x
  2. Step 2: Convert to fraction form
    1,036,654.79/1,555,006.78 = 278,497.22/x
  3. Step 3: Cross multiply
    1,036,654.79x = 1,555,006.78 × 278,497.22
  4. Step 4: Simplify right side
    1,036,654.79x = 433,065,057,536.12
  5. Step 5: Solve for x
    x = 433,065,057,536.12/1,036,654.79
  6. Step 6: Final answer
    x = 417,752.43

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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.