Home / 1,772,022.80-2,656,219.80-872,080.40

Finding the Fourth Proportional to 1,772,022.80, 2,656,219.80 and 872,080.40

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Solution

The fourth proportional to 1,772,022.80, 2,656,219.80 and 872,080.40 is: 1,307,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,022.80 : 2,656,219.80 = 872,080.40 : x
  2. Step 2: Convert to fraction form
    1,772,022.80/2,656,219.80 = 872,080.40/x
  3. Step 3: Cross multiply
    1,772,022.80x = 2,656,219.80 × 872,080.40
  4. Step 4: Simplify right side
    1,772,022.80x = 2,316,437,225,671.92
  5. Step 5: Solve for x
    x = 2,316,437,225,671.92/1,772,022.80
  6. Step 6: Final answer
    x = 1,307,227.66

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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.