Home / 1,043,435.40-1,565,153.10-806,947.80

Finding the Fourth Proportional to 1,043,435.40, 1,565,153.10 and 806,947.80

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Solution

The fourth proportional to 1,043,435.40, 1,565,153.10 and 806,947.80 is: 1,210,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,435.40 : 1,565,153.10 = 806,947.80 : x
  2. Step 2: Convert to fraction form
    1,043,435.40/1,565,153.10 = 806,947.80/x
  3. Step 3: Cross multiply
    1,043,435.40x = 1,565,153.10 × 806,947.80
  4. Step 4: Simplify right side
    1,043,435.40x = 1,262,996,850,708.18
  5. Step 5: Solve for x
    x = 1,262,996,850,708.18/1,043,435.40
  6. Step 6: Final answer
    x = 1,210,421.70

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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.