Home / 1,004,920.80-1,506,920.40-443,666.40

Finding the Fourth Proportional to 1,004,920.80, 1,506,920.40 and 443,666.40

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Solution

The fourth proportional to 1,004,920.80, 1,506,920.40 and 443,666.40 is: 665,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,920.80 : 1,506,920.40 = 443,666.40 : x
  2. Step 2: Convert to fraction form
    1,004,920.80/1,506,920.40 = 443,666.40/x
  3. Step 3: Cross multiply
    1,004,920.80x = 1,506,920.40 × 443,666.40
  4. Step 4: Simplify right side
    1,004,920.80x = 668,569,948,954.56
  5. Step 5: Solve for x
    x = 668,569,948,954.56/1,004,920.80
  6. Step 6: Final answer
    x = 665,296.16

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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.