Home / 1,471,871.12-2,208,663.36-618,881.04

Finding the Fourth Proportional to 1,471,871.12, 2,208,663.36 and 618,881.04

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Solution

The fourth proportional to 1,471,871.12, 2,208,663.36 and 618,881.04 is: 928,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,871.12 : 2,208,663.36 = 618,881.04 : x
  2. Step 2: Convert to fraction form
    1,471,871.12/2,208,663.36 = 618,881.04/x
  3. Step 3: Cross multiply
    1,471,871.12x = 2,208,663.36 × 618,881.04
  4. Step 4: Simplify right side
    1,471,871.12x = 1,366,899,877,246.69
  5. Step 5: Solve for x
    x = 1,366,899,877,246.69/1,471,871.12
  6. Step 6: Final answer
    x = 928,681.77

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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.