Home / 1,138,636.23-1,570,046.54-931,258.95

Finding the Fourth Proportional to 1,138,636.23, 1,570,046.54 and 931,258.95

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Solution

The fourth proportional to 1,138,636.23, 1,570,046.54 and 931,258.95 is: 1,284,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,636.23 : 1,570,046.54 = 931,258.95 : x
  2. Step 2: Convert to fraction form
    1,138,636.23/1,570,046.54 = 931,258.95/x
  3. Step 3: Cross multiply
    1,138,636.23x = 1,570,046.54 × 931,258.95
  4. Step 4: Simplify right side
    1,138,636.23x = 1,462,119,887,635.24
  5. Step 5: Solve for x
    x = 1,462,119,887,635.24/1,138,636.23
  6. Step 6: Final answer
    x = 1,284,097.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.