Home / 1,029,423.12-1,544,328.99-389,918.40

Finding the Fourth Proportional to 1,029,423.12, 1,544,328.99 and 389,918.40

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Solution

The fourth proportional to 1,029,423.12, 1,544,328.99 and 389,918.40 is: 584,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,423.12 : 1,544,328.99 = 389,918.40 : x
  2. Step 2: Convert to fraction form
    1,029,423.12/1,544,328.99 = 389,918.40/x
  3. Step 3: Cross multiply
    1,029,423.12x = 1,544,328.99 × 389,918.40
  4. Step 4: Simplify right side
    1,029,423.12x = 602,162,288,854.42
  5. Step 5: Solve for x
    x = 602,162,288,854.42/1,029,423.12
  6. Step 6: Final answer
    x = 584,951.20

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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.