Home / 1,056,139.40-1,584,597.90-346,190.60

Finding the Fourth Proportional to 1,056,139.40, 1,584,597.90 and 346,190.60

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Solution

The fourth proportional to 1,056,139.40, 1,584,597.90 and 346,190.60 is: 519,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,139.40 : 1,584,597.90 = 346,190.60 : x
  2. Step 2: Convert to fraction form
    1,056,139.40/1,584,597.90 = 346,190.60/x
  3. Step 3: Cross multiply
    1,056,139.40x = 1,584,597.90 × 346,190.60
  4. Step 4: Simplify right side
    1,056,139.40x = 548,572,897,759.74
  5. Step 5: Solve for x
    x = 548,572,897,759.74/1,056,139.40
  6. Step 6: Final answer
    x = 519,413.34

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Double scale
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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.