Home / 1,550,125.29-2,321,822.85-749,728.40

Finding the Fourth Proportional to 1,550,125.29, 2,321,822.85 and 749,728.40

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Solution

The fourth proportional to 1,550,125.29, 2,321,822.85 and 749,728.40 is: 1,122,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,125.29 : 2,321,822.85 = 749,728.40 : x
  2. Step 2: Convert to fraction form
    1,550,125.29/2,321,822.85 = 749,728.40/x
  3. Step 3: Cross multiply
    1,550,125.29x = 2,321,822.85 × 749,728.40
  4. Step 4: Simplify right side
    1,550,125.29x = 1,740,736,518,804.83
  5. Step 5: Solve for x
    x = 1,740,736,518,804.83/1,550,125.29
  6. Step 6: Final answer
    x = 1,122,965.05

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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.