Home / 912,170.80-1,365,923.40-674,225.20

Finding the Fourth Proportional to 912,170.80, 1,365,923.40 and 674,225.20

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Solution

The fourth proportional to 912,170.80, 1,365,923.40 and 674,225.20 is: 1,009,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,170.80 : 1,365,923.40 = 674,225.20 : x
  2. Step 2: Convert to fraction form
    912,170.80/1,365,923.40 = 674,225.20/x
  3. Step 3: Cross multiply
    912,170.80x = 1,365,923.40 × 674,225.20
  4. Step 4: Simplify right side
    912,170.80x = 920,939,977,549.68
  5. Step 5: Solve for x
    x = 920,939,977,549.68/912,170.80
  6. Step 6: Final answer
    x = 1,009,613.53

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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.