Home / 913,881.30-1,370,821.95-887,637.30

Finding the Fourth Proportional to 913,881.30, 1,370,821.95 and 887,637.30

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Solution

The fourth proportional to 913,881.30, 1,370,821.95 and 887,637.30 is: 1,331,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,881.30 : 1,370,821.95 = 887,637.30 : x
  2. Step 2: Convert to fraction form
    913,881.30/1,370,821.95 = 887,637.30/x
  3. Step 3: Cross multiply
    913,881.30x = 1,370,821.95 × 887,637.30
  4. Step 4: Simplify right side
    913,881.30x = 1,216,792,694,478.74
  5. Step 5: Solve for x
    x = 1,216,792,694,478.74/913,881.30
  6. Step 6: Final answer
    x = 1,331,455.95

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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.