Home / 1,278,542.12-1,764,386.34-705,582.20

Finding the Fourth Proportional to 1,278,542.12, 1,764,386.34 and 705,582.20

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Solution

The fourth proportional to 1,278,542.12, 1,764,386.34 and 705,582.20 is: 973,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,542.12 : 1,764,386.34 = 705,582.20 : x
  2. Step 2: Convert to fraction form
    1,278,542.12/1,764,386.34 = 705,582.20/x
  3. Step 3: Cross multiply
    1,278,542.12x = 1,764,386.34 × 705,582.20
  4. Step 4: Simplify right side
    1,278,542.12x = 1,244,919,595,427.15
  5. Step 5: Solve for x
    x = 1,244,919,595,427.15/1,278,542.12
  6. Step 6: Final answer
    x = 973,702.45

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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.