Home / 1,087,264.80-1,625,648.40-803,829.60

Finding the Fourth Proportional to 1,087,264.80, 1,625,648.40 and 803,829.60

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Solution

The fourth proportional to 1,087,264.80, 1,625,648.40 and 803,829.60 is: 1,201,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,264.80 : 1,625,648.40 = 803,829.60 : x
  2. Step 2: Convert to fraction form
    1,087,264.80/1,625,648.40 = 803,829.60/x
  3. Step 3: Cross multiply
    1,087,264.80x = 1,625,648.40 × 803,829.60
  4. Step 4: Simplify right side
    1,087,264.80x = 1,306,744,303,112.64
  5. Step 5: Solve for x
    x = 1,306,744,303,112.64/1,087,264.80
  6. Step 6: Final answer
    x = 1,201,863.89

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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.