Home / 1,314,878.04-1,972,386.72-416,414.70

Finding the Fourth Proportional to 1,314,878.04, 1,972,386.72 and 416,414.70

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Solution

The fourth proportional to 1,314,878.04, 1,972,386.72 and 416,414.70 is: 624,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,878.04 : 1,972,386.72 = 416,414.70 : x
  2. Step 2: Convert to fraction form
    1,314,878.04/1,972,386.72 = 416,414.70/x
  3. Step 3: Cross multiply
    1,314,878.04x = 1,972,386.72 × 416,414.70
  4. Step 4: Simplify right side
    1,314,878.04x = 821,330,824,292.78
  5. Step 5: Solve for x
    x = 821,330,824,292.78/1,314,878.04
  6. Step 6: Final answer
    x = 624,644.11

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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.