Home / 972,116.80-1,458,175.20-874,139.20

Finding the Fourth Proportional to 972,116.80, 1,458,175.20 and 874,139.20

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Solution

The fourth proportional to 972,116.80, 1,458,175.20 and 874,139.20 is: 1,311,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,116.80 : 1,458,175.20 = 874,139.20 : x
  2. Step 2: Convert to fraction form
    972,116.80/1,458,175.20 = 874,139.20/x
  3. Step 3: Cross multiply
    972,116.80x = 1,458,175.20 × 874,139.20
  4. Step 4: Simplify right side
    972,116.80x = 1,274,648,102,787.84
  5. Step 5: Solve for x
    x = 1,274,648,102,787.84/972,116.80
  6. Step 6: Final answer
    x = 1,311,208.80

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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.