Home / 1,245,740.20-1,867,443.90-975,718.60

Finding the Fourth Proportional to 1,245,740.20, 1,867,443.90 and 975,718.60

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Solution

The fourth proportional to 1,245,740.20, 1,867,443.90 and 975,718.60 is: 1,462,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,740.20 : 1,867,443.90 = 975,718.60 : x
  2. Step 2: Convert to fraction form
    1,245,740.20/1,867,443.90 = 975,718.60/x
  3. Step 3: Cross multiply
    1,245,740.20x = 1,867,443.90 × 975,718.60
  4. Step 4: Simplify right side
    1,245,740.20x = 1,822,099,747,686.54
  5. Step 5: Solve for x
    x = 1,822,099,747,686.54/1,245,740.20
  6. Step 6: Final answer
    x = 1,462,664.32

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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.