Home / 1,230,150.90-1,843,730.25-870,425.40

Finding the Fourth Proportional to 1,230,150.90, 1,843,730.25 and 870,425.40

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Solution

The fourth proportional to 1,230,150.90, 1,843,730.25 and 870,425.40 is: 1,304,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,150.90 : 1,843,730.25 = 870,425.40 : x
  2. Step 2: Convert to fraction form
    1,230,150.90/1,843,730.25 = 870,425.40/x
  3. Step 3: Cross multiply
    1,230,150.90x = 1,843,730.25 × 870,425.40
  4. Step 4: Simplify right side
    1,230,150.90x = 1,604,829,640,348.35
  5. Step 5: Solve for x
    x = 1,604,829,640,348.35/1,230,150.90
  6. Step 6: Final answer
    x = 1,304,579.50

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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.