Home / 1,488,281.04-2,053,813.52-809,217.68

Finding the Fourth Proportional to 1,488,281.04, 2,053,813.52 and 809,217.68

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Solution

The fourth proportional to 1,488,281.04, 2,053,813.52 and 809,217.68 is: 1,116,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,281.04 : 2,053,813.52 = 809,217.68 : x
  2. Step 2: Convert to fraction form
    1,488,281.04/2,053,813.52 = 809,217.68/x
  3. Step 3: Cross multiply
    1,488,281.04x = 2,053,813.52 × 809,217.68
  4. Step 4: Simplify right side
    1,488,281.04x = 1,661,982,211,807.03
  5. Step 5: Solve for x
    x = 1,661,982,211,807.03/1,488,281.04
  6. Step 6: Final answer
    x = 1,116,712.61

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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.