Home / 1,335,756.80-1,843,449.36-826,623.20

Finding the Fourth Proportional to 1,335,756.80, 1,843,449.36 and 826,623.20

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Solution

The fourth proportional to 1,335,756.80, 1,843,449.36 and 826,623.20 is: 1,140,804.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,756.80 : 1,843,449.36 = 826,623.20 : x
  2. Step 2: Convert to fraction form
    1,335,756.80/1,843,449.36 = 826,623.20/x
  3. Step 3: Cross multiply
    1,335,756.80x = 1,843,449.36 × 826,623.20
  4. Step 4: Simplify right side
    1,335,756.80x = 1,523,838,009,001.15
  5. Step 5: Solve for x
    x = 1,523,838,009,001.15/1,335,756.80
  6. Step 6: Final answer
    x = 1,140,804.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.