Home / 1,087,261.80-1,625,643.90-803,826.60

Finding the Fourth Proportional to 1,087,261.80, 1,625,643.90 and 803,826.60

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Solution

The fourth proportional to 1,087,261.80, 1,625,643.90 and 803,826.60 is: 1,201,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,261.80 : 1,625,643.90 = 803,826.60 : x
  2. Step 2: Convert to fraction form
    1,087,261.80/1,625,643.90 = 803,826.60/x
  3. Step 3: Cross multiply
    1,087,261.80x = 1,625,643.90 × 803,826.60
  4. Step 4: Simplify right side
    1,087,261.80x = 1,306,735,808,947.74
  5. Step 5: Solve for x
    x = 1,306,735,808,947.74/1,087,261.80
  6. Step 6: Final answer
    x = 1,201,859.39

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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.