Home / 1,208,810.56-1,812,544.08-499,319.68

Finding the Fourth Proportional to 1,208,810.56, 1,812,544.08 and 499,319.68

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Solution

The fourth proportional to 1,208,810.56, 1,812,544.08 and 499,319.68 is: 748,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,810.56 : 1,812,544.08 = 499,319.68 : x
  2. Step 2: Convert to fraction form
    1,208,810.56/1,812,544.08 = 499,319.68/x
  3. Step 3: Cross multiply
    1,208,810.56x = 1,812,544.08 × 499,319.68
  4. Step 4: Simplify right side
    1,208,810.56x = 905,038,930,011.49
  5. Step 5: Solve for x
    x = 905,038,930,011.49/1,208,810.56
  6. Step 6: Final answer
    x = 748,702.04

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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.