Home / 1,498,339.80-2,246,810.96-778,488

Finding the Fourth Proportional to 1,498,339.80, 2,246,810.96 and 778,488

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Solution

The fourth proportional to 1,498,339.80, 2,246,810.96 and 778,488 is: 1,167,368.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,339.80 : 2,246,810.96 = 778,488 : x
  2. Step 2: Convert to fraction form
    1,498,339.80/2,246,810.96 = 778,488/x
  3. Step 3: Cross multiply
    1,498,339.80x = 2,246,810.96 × 778,488
  4. Step 4: Simplify right side
    1,498,339.80x = 1,749,115,366,736.04
  5. Step 5: Solve for x
    x = 1,749,115,366,736.04/1,498,339.80
  6. Step 6: Final answer
    x = 1,167,368.96

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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.