Home / 1,585,304.80-2,187,651.36-906,285.04

Finding the Fourth Proportional to 1,585,304.80, 2,187,651.36 and 906,285.04

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Solution

The fourth proportional to 1,585,304.80, 2,187,651.36 and 906,285.04 is: 1,250,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,304.80 : 2,187,651.36 = 906,285.04 : x
  2. Step 2: Convert to fraction form
    1,585,304.80/2,187,651.36 = 906,285.04/x
  3. Step 3: Cross multiply
    1,585,304.80x = 2,187,651.36 × 906,285.04
  4. Step 4: Simplify right side
    1,585,304.80x = 1,982,635,700,303.65
  5. Step 5: Solve for x
    x = 1,982,635,700,303.65/1,585,304.80
  6. Step 6: Final answer
    x = 1,250,633.76

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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.