Home / 972,154.80-1,458,232.20-617,423.40

Finding the Fourth Proportional to 972,154.80, 1,458,232.20 and 617,423.40

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Solution

The fourth proportional to 972,154.80, 1,458,232.20 and 617,423.40 is: 926,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,154.80 : 1,458,232.20 = 617,423.40 : x
  2. Step 2: Convert to fraction form
    972,154.80/1,458,232.20 = 617,423.40/x
  3. Step 3: Cross multiply
    972,154.80x = 1,458,232.20 × 617,423.40
  4. Step 4: Simplify right side
    972,154.80x = 900,346,682,913.48
  5. Step 5: Solve for x
    x = 900,346,682,913.48/972,154.80
  6. Step 6: Final answer
    x = 926,135.10

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1.5x scale

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.