Home / 1,325,710.95-1,989,438.57-727,092.60

Finding the Fourth Proportional to 1,325,710.95, 1,989,438.57 and 727,092.60

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Solution

The fourth proportional to 1,325,710.95, 1,989,438.57 and 727,092.60 is: 1,091,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,710.95 : 1,989,438.57 = 727,092.60 : x
  2. Step 2: Convert to fraction form
    1,325,710.95/1,989,438.57 = 727,092.60/x
  3. Step 3: Cross multiply
    1,325,710.95x = 1,989,438.57 × 727,092.60
  4. Step 4: Simplify right side
    1,325,710.95x = 1,446,506,066,131.78
  5. Step 5: Solve for x
    x = 1,446,506,066,131.78/1,325,710.95
  6. Step 6: Final answer
    x = 1,091,117.23

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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.