Home / 1,029,856.91-1,544,574.19-389,939.90

Finding the Fourth Proportional to 1,029,856.91, 1,544,574.19 and 389,939.90

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Solution

The fourth proportional to 1,029,856.91, 1,544,574.19 and 389,939.90 is: 584,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,856.91 : 1,544,574.19 = 389,939.90 : x
  2. Step 2: Convert to fraction form
    1,029,856.91/1,544,574.19 = 389,939.90/x
  3. Step 3: Cross multiply
    1,029,856.91x = 1,544,574.19 × 389,939.90
  4. Step 4: Simplify right side
    1,029,856.91x = 602,291,108,077.77
  5. Step 5: Solve for x
    x = 602,291,108,077.77/1,029,856.91
  6. Step 6: Final answer
    x = 584,829.89

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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.