Home / 1,456,368.30-2,183,677.65-747,780.30

Finding the Fourth Proportional to 1,456,368.30, 2,183,677.65 and 747,780.30

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Solution

The fourth proportional to 1,456,368.30, 2,183,677.65 and 747,780.30 is: 1,121,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,368.30 : 2,183,677.65 = 747,780.30 : x
  2. Step 2: Convert to fraction form
    1,456,368.30/2,183,677.65 = 747,780.30/x
  3. Step 3: Cross multiply
    1,456,368.30x = 2,183,677.65 × 747,780.30
  4. Step 4: Simplify right side
    1,456,368.30x = 1,632,911,128,220.30
  5. Step 5: Solve for x
    x = 1,632,911,128,220.30/1,456,368.30
  6. Step 6: Final answer
    x = 1,121,221.28

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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.