Home / 1,370,304.66-1,890,972.18-758,458.60

Finding the Fourth Proportional to 1,370,304.66, 1,890,972.18 and 758,458.60

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Solution

The fourth proportional to 1,370,304.66, 1,890,972.18 and 758,458.60 is: 1,046,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,304.66 : 1,890,972.18 = 758,458.60 : x
  2. Step 2: Convert to fraction form
    1,370,304.66/1,890,972.18 = 758,458.60/x
  3. Step 3: Cross multiply
    1,370,304.66x = 1,890,972.18 × 758,458.60
  4. Step 4: Simplify right side
    1,370,304.66x = 1,434,224,112,281.75
  5. Step 5: Solve for x
    x = 1,434,224,112,281.75/1,370,304.66
  6. Step 6: Final answer
    x = 1,046,646.16

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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.