Home / 1,320,358.60-1,822,100.34-747,509.32

Finding the Fourth Proportional to 1,320,358.60, 1,822,100.34 and 747,509.32

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Solution

The fourth proportional to 1,320,358.60, 1,822,100.34 and 747,509.32 is: 1,031,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,358.60 : 1,822,100.34 = 747,509.32 : x
  2. Step 2: Convert to fraction form
    1,320,358.60/1,822,100.34 = 747,509.32/x
  3. Step 3: Cross multiply
    1,320,358.60x = 1,822,100.34 × 747,509.32
  4. Step 4: Simplify right side
    1,320,358.60x = 1,362,036,986,125.17
  5. Step 5: Solve for x
    x = 1,362,036,986,125.17/1,320,358.60
  6. Step 6: Final answer
    x = 1,031,565.96

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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.