Home / 1,666,687.04-2,499,535.20-707,128.64

Finding the Fourth Proportional to 1,666,687.04, 2,499,535.20 and 707,128.64

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Solution

The fourth proportional to 1,666,687.04, 2,499,535.20 and 707,128.64 is: 1,060,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,687.04 : 2,499,535.20 = 707,128.64 : x
  2. Step 2: Convert to fraction form
    1,666,687.04/2,499,535.20 = 707,128.64/x
  3. Step 3: Cross multiply
    1,666,687.04x = 2,499,535.20 × 707,128.64
  4. Step 4: Simplify right side
    1,666,687.04x = 1,767,492,926,608.13
  5. Step 5: Solve for x
    x = 1,767,492,926,608.13/1,666,687.04
  6. Step 6: Final answer
    x = 1,060,482.79

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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.