Home / 1,402,196.80-2,103,295.20-1,319,252.80

Finding the Fourth Proportional to 1,402,196.80, 2,103,295.20 and 1,319,252.80

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Solution

The fourth proportional to 1,402,196.80, 2,103,295.20 and 1,319,252.80 is: 1,978,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,196.80 : 2,103,295.20 = 1,319,252.80 : x
  2. Step 2: Convert to fraction form
    1,402,196.80/2,103,295.20 = 1,319,252.80/x
  3. Step 3: Cross multiply
    1,402,196.80x = 2,103,295.20 × 1,319,252.80
  4. Step 4: Simplify right side
    1,402,196.80x = 2,774,778,081,826.56
  5. Step 5: Solve for x
    x = 2,774,778,081,826.56/1,402,196.80
  6. Step 6: Final answer
    x = 1,978,879.20

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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.