Home / 1,207,360.47-1,666,089.87-723,683.55

Finding the Fourth Proportional to 1,207,360.47, 1,666,089.87 and 723,683.55

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Solution

The fourth proportional to 1,207,360.47, 1,666,089.87 and 723,683.55 is: 998,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,360.47 : 1,666,089.87 = 723,683.55 : x
  2. Step 2: Convert to fraction form
    1,207,360.47/1,666,089.87 = 723,683.55/x
  3. Step 3: Cross multiply
    1,207,360.47x = 1,666,089.87 × 723,683.55
  4. Step 4: Simplify right side
    1,207,360.47x = 1,205,721,831,740.64
  5. Step 5: Solve for x
    x = 1,205,721,831,740.64/1,207,360.47
  6. Step 6: Final answer
    x = 998,642.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.