Home / 1,308,879.60-1,963,319.40-710,127.60

Finding the Fourth Proportional to 1,308,879.60, 1,963,319.40 and 710,127.60

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Solution

The fourth proportional to 1,308,879.60, 1,963,319.40 and 710,127.60 is: 1,065,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,879.60 : 1,963,319.40 = 710,127.60 : x
  2. Step 2: Convert to fraction form
    1,308,879.60/1,963,319.40 = 710,127.60/x
  3. Step 3: Cross multiply
    1,308,879.60x = 1,963,319.40 × 710,127.60
  4. Step 4: Simplify right side
    1,308,879.60x = 1,394,207,293,555.44
  5. Step 5: Solve for x
    x = 1,394,207,293,555.44/1,308,879.60
  6. Step 6: Final answer
    x = 1,065,191.40

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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.