Home / 1,272,304.60-1,908,455.68-325,673.80

Finding the Fourth Proportional to 1,272,304.60, 1,908,455.68 and 325,673.80

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Solution

The fourth proportional to 1,272,304.60, 1,908,455.68 and 325,673.80 is: 488,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,304.60 : 1,908,455.68 = 325,673.80 : x
  2. Step 2: Convert to fraction form
    1,272,304.60/1,908,455.68 = 325,673.80/x
  3. Step 3: Cross multiply
    1,272,304.60x = 1,908,455.68 × 325,673.80
  4. Step 4: Simplify right side
    1,272,304.60x = 621,534,013,437.18
  5. Step 5: Solve for x
    x = 621,534,013,437.18/1,272,304.60
  6. Step 6: Final answer
    x = 488,510.39

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1.5x scale

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.