Home / 972,418.80-1,458,628.20-856,945.20

Finding the Fourth Proportional to 972,418.80, 1,458,628.20 and 856,945.20

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Solution

The fourth proportional to 972,418.80, 1,458,628.20 and 856,945.20 is: 1,285,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,418.80 : 1,458,628.20 = 856,945.20 : x
  2. Step 2: Convert to fraction form
    972,418.80/1,458,628.20 = 856,945.20/x
  3. Step 3: Cross multiply
    972,418.80x = 1,458,628.20 × 856,945.20
  4. Step 4: Simplify right side
    972,418.80x = 1,249,964,434,574.64
  5. Step 5: Solve for x
    x = 1,249,964,434,574.64/972,418.80
  6. Step 6: Final answer
    x = 1,285,417.80

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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.