Home / 1,437,482.30-2,154,156.12-988,709.90

Finding the Fourth Proportional to 1,437,482.30, 2,154,156.12 and 988,709.90

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Solution

The fourth proportional to 1,437,482.30, 2,154,156.12 and 988,709.90 is: 1,481,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,482.30 : 2,154,156.12 = 988,709.90 : x
  2. Step 2: Convert to fraction form
    1,437,482.30/2,154,156.12 = 988,709.90/x
  3. Step 3: Cross multiply
    1,437,482.30x = 2,154,156.12 × 988,709.90
  4. Step 4: Simplify right side
    1,437,482.30x = 2,129,835,471,218.81
  5. Step 5: Solve for x
    x = 2,129,835,471,218.81/1,437,482.30
  6. Step 6: Final answer
    x = 1,481,642.92

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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.