Home / 972,341.80-1,458,512.70-856,868.20

Finding the Fourth Proportional to 972,341.80, 1,458,512.70 and 856,868.20

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Solution

The fourth proportional to 972,341.80, 1,458,512.70 and 856,868.20 is: 1,285,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,341.80 : 1,458,512.70 = 856,868.20 : x
  2. Step 2: Convert to fraction form
    972,341.80/1,458,512.70 = 856,868.20/x
  3. Step 3: Cross multiply
    972,341.80x = 1,458,512.70 × 856,868.20
  4. Step 4: Simplify right side
    972,341.80x = 1,249,753,151,926.14
  5. Step 5: Solve for x
    x = 1,249,753,151,926.14/972,341.80
  6. Step 6: Final answer
    x = 1,285,302.30

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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.