Home / 1,555,896.30-2,335,739.85-987,276.30

Finding the Fourth Proportional to 1,555,896.30, 2,335,739.85 and 987,276.30

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Solution

The fourth proportional to 1,555,896.30, 2,335,739.85 and 987,276.30 is: 1,482,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,896.30 : 2,335,739.85 = 987,276.30 : x
  2. Step 2: Convert to fraction form
    1,555,896.30/2,335,739.85 = 987,276.30/x
  3. Step 3: Cross multiply
    1,555,896.30x = 2,335,739.85 × 987,276.30
  4. Step 4: Simplify right side
    1,555,896.30x = 2,306,020,596,870.56
  5. Step 5: Solve for x
    x = 2,306,020,596,870.56/1,555,896.30
  6. Step 6: Final answer
    x = 1,482,117.15

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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.