Home / 910,807.54-1,364,086.64-719,987.20

Finding the Fourth Proportional to 910,807.54, 1,364,086.64 and 719,987.20

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Solution

The fourth proportional to 910,807.54, 1,364,086.64 and 719,987.20 is: 1,078,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,807.54 : 1,364,086.64 = 719,987.20 : x
  2. Step 2: Convert to fraction form
    910,807.54/1,364,086.64 = 719,987.20/x
  3. Step 3: Cross multiply
    910,807.54x = 1,364,086.64 × 719,987.20
  4. Step 4: Simplify right side
    910,807.54x = 982,124,918,880.76
  5. Step 5: Solve for x
    x = 982,124,918,880.76/910,807.54
  6. Step 6: Final answer
    x = 1,078,301.26

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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.