Home / 1,420,582.66-1,960,275.44-800,488.78

Finding the Fourth Proportional to 1,420,582.66, 1,960,275.44 and 800,488.78

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Solution

The fourth proportional to 1,420,582.66, 1,960,275.44 and 800,488.78 is: 1,104,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,582.66 : 1,960,275.44 = 800,488.78 : x
  2. Step 2: Convert to fraction form
    1,420,582.66/1,960,275.44 = 800,488.78/x
  3. Step 3: Cross multiply
    1,420,582.66x = 1,960,275.44 × 800,488.78
  4. Step 4: Simplify right side
    1,420,582.66x = 1,569,178,495,429.56
  5. Step 5: Solve for x
    x = 1,569,178,495,429.56/1,420,582.66
  6. Step 6: Final answer
    x = 1,104,602.03

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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.