Home / 1,423,366.20-1,964,244.06-778,789.08

Finding the Fourth Proportional to 1,423,366.20, 1,964,244.06 and 778,789.08

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Solution

The fourth proportional to 1,423,366.20, 1,964,244.06 and 778,789.08 is: 1,074,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,366.20 : 1,964,244.06 = 778,789.08 : x
  2. Step 2: Convert to fraction form
    1,423,366.20/1,964,244.06 = 778,789.08/x
  3. Step 3: Cross multiply
    1,423,366.20x = 1,964,244.06 × 778,789.08
  4. Step 4: Simplify right side
    1,423,366.20x = 1,529,731,824,382.86
  5. Step 5: Solve for x
    x = 1,529,731,824,382.86/1,423,366.20
  6. Step 6: Final answer
    x = 1,074,728.22

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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.