Home / 1,602,775.84-2,404,241.52-1,321,780

Finding the Fourth Proportional to 1,602,775.84, 2,404,241.52 and 1,321,780

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Solution

The fourth proportional to 1,602,775.84, 2,404,241.52 and 1,321,780 is: 1,982,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,775.84 : 2,404,241.52 = 1,321,780 : x
  2. Step 2: Convert to fraction form
    1,602,775.84/2,404,241.52 = 1,321,780/x
  3. Step 3: Cross multiply
    1,602,775.84x = 2,404,241.52 × 1,321,780
  4. Step 4: Simplify right side
    1,602,775.84x = 3,177,878,356,305.60
  5. Step 5: Solve for x
    x = 3,177,878,356,305.60/1,602,775.84
  6. Step 6: Final answer
    x = 1,982,734.13

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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.