Home / 703,643.76-1,047,636.18-693,705.60

Finding the Fourth Proportional to 703,643.76, 1,047,636.18 and 693,705.60

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Solution

The fourth proportional to 703,643.76, 1,047,636.18 and 693,705.60 is: 1,032,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,643.76 : 1,047,636.18 = 693,705.60 : x
  2. Step 2: Convert to fraction form
    703,643.76/1,047,636.18 = 693,705.60/x
  3. Step 3: Cross multiply
    703,643.76x = 1,047,636.18 × 693,705.60
  4. Step 4: Simplify right side
    703,643.76x = 726,751,084,828.61
  5. Step 5: Solve for x
    x = 726,751,084,828.61/703,643.76
  6. Step 6: Final answer
    x = 1,032,839.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.