Home / 1,471,875.12-2,208,669.36-618,885.04

Finding the Fourth Proportional to 1,471,875.12, 2,208,669.36 and 618,885.04

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Solution

The fourth proportional to 1,471,875.12, 2,208,669.36 and 618,885.04 is: 928,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,875.12 : 2,208,669.36 = 618,885.04 : x
  2. Step 2: Convert to fraction form
    1,471,875.12/2,208,669.36 = 618,885.04/x
  3. Step 3: Cross multiply
    1,471,875.12x = 2,208,669.36 × 618,885.04
  4. Step 4: Simplify right side
    1,471,875.12x = 1,366,912,425,210.37
  5. Step 5: Solve for x
    x = 1,366,912,425,210.37/1,471,875.12
  6. Step 6: Final answer
    x = 928,687.77

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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.