Home / 1,355,306.07-1,870,304.92-774,522.55

Finding the Fourth Proportional to 1,355,306.07, 1,870,304.92 and 774,522.55

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Solution

The fourth proportional to 1,355,306.07, 1,870,304.92 and 774,522.55 is: 1,068,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,306.07 : 1,870,304.92 = 774,522.55 : x
  2. Step 2: Convert to fraction form
    1,355,306.07/1,870,304.92 = 774,522.55/x
  3. Step 3: Cross multiply
    1,355,306.07x = 1,870,304.92 × 774,522.55
  4. Step 4: Simplify right side
    1,355,306.07x = 1,448,593,335,915.95
  5. Step 5: Solve for x
    x = 1,448,593,335,915.95/1,355,306.07
  6. Step 6: Final answer
    x = 1,068,831.14

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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.