Home / 1,272,243.14-1,908,359.82-325,612.34

Finding the Fourth Proportional to 1,272,243.14, 1,908,359.82 and 325,612.34

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Solution

The fourth proportional to 1,272,243.14, 1,908,359.82 and 325,612.34 is: 488,417.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,243.14 : 1,908,359.82 = 325,612.34 : x
  2. Step 2: Convert to fraction form
    1,272,243.14/1,908,359.82 = 325,612.34/x
  3. Step 3: Cross multiply
    1,272,243.14x = 1,908,359.82 × 325,612.34
  4. Step 4: Simplify right side
    1,272,243.14x = 621,385,506,552.18
  5. Step 5: Solve for x
    x = 621,385,506,552.18/1,272,243.14
  6. Step 6: Final answer
    x = 488,417.26

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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.