Home / 1,004,910.80-1,506,905.40-443,656.40

Finding the Fourth Proportional to 1,004,910.80, 1,506,905.40 and 443,656.40

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Solution

The fourth proportional to 1,004,910.80, 1,506,905.40 and 443,656.40 is: 665,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,910.80 : 1,506,905.40 = 443,656.40 : x
  2. Step 2: Convert to fraction form
    1,004,910.80/1,506,905.40 = 443,656.40/x
  3. Step 3: Cross multiply
    1,004,910.80x = 1,506,905.40 × 443,656.40
  4. Step 4: Simplify right side
    1,004,910.80x = 668,548,224,904.56
  5. Step 5: Solve for x
    x = 668,548,224,904.56/1,004,910.80
  6. Step 6: Final answer
    x = 665,281.16

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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.