Home / 713,151.60-1,069,727.40-666,495.60

Finding the Fourth Proportional to 713,151.60, 1,069,727.40 and 666,495.60

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Solution

The fourth proportional to 713,151.60, 1,069,727.40 and 666,495.60 is: 999,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,151.60 : 1,069,727.40 = 666,495.60 : x
  2. Step 2: Convert to fraction form
    713,151.60/1,069,727.40 = 666,495.60/x
  3. Step 3: Cross multiply
    713,151.60x = 1,069,727.40 × 666,495.60
  4. Step 4: Simplify right side
    713,151.60x = 712,968,605,299.44
  5. Step 5: Solve for x
    x = 712,968,605,299.44/713,151.60
  6. Step 6: Final answer
    x = 999,743.40

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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.