Home / 1,043,423.40-1,565,135.10-806,935.80

Finding the Fourth Proportional to 1,043,423.40, 1,565,135.10 and 806,935.80

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Solution

The fourth proportional to 1,043,423.40, 1,565,135.10 and 806,935.80 is: 1,210,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,423.40 : 1,565,135.10 = 806,935.80 : x
  2. Step 2: Convert to fraction form
    1,043,423.40/1,565,135.10 = 806,935.80/x
  3. Step 3: Cross multiply
    1,043,423.40x = 1,565,135.10 × 806,935.80
  4. Step 4: Simplify right side
    1,043,423.40x = 1,262,963,544,026.58
  5. Step 5: Solve for x
    x = 1,262,963,544,026.58/1,043,423.40
  6. Step 6: Final answer
    x = 1,210,403.70

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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.