Home / 1,057,630.60-1,585,862.70-425,830.60

Finding the Fourth Proportional to 1,057,630.60, 1,585,862.70 and 425,830.60

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Solution

The fourth proportional to 1,057,630.60, 1,585,862.70 and 425,830.60 is: 638,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,630.60 : 1,585,862.70 = 425,830.60 : x
  2. Step 2: Convert to fraction form
    1,057,630.60/1,585,862.70 = 425,830.60/x
  3. Step 3: Cross multiply
    1,057,630.60x = 1,585,862.70 × 425,830.60
  4. Step 4: Simplify right side
    1,057,630.60x = 675,308,865,058.62
  5. Step 5: Solve for x
    x = 675,308,865,058.62/1,057,630.60
  6. Step 6: Final answer
    x = 638,511.09

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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.