Home / 931,805.60-1,397,708.40-925,900.70

Finding the Fourth Proportional to 931,805.60, 1,397,708.40 and 925,900.70

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Solution

The fourth proportional to 931,805.60, 1,397,708.40 and 925,900.70 is: 1,388,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,805.60 : 1,397,708.40 = 925,900.70 : x
  2. Step 2: Convert to fraction form
    931,805.60/1,397,708.40 = 925,900.70/x
  3. Step 3: Cross multiply
    931,805.60x = 1,397,708.40 × 925,900.70
  4. Step 4: Simplify right side
    931,805.60x = 1,294,139,185,955.88
  5. Step 5: Solve for x
    x = 1,294,139,185,955.88/931,805.60
  6. Step 6: Final answer
    x = 1,388,851.05

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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.