Home / 1,488,806.87-2,232,007.38-577,518.80

Finding the Fourth Proportional to 1,488,806.87, 2,232,007.38 and 577,518.80

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Solution

The fourth proportional to 1,488,806.87, 2,232,007.38 and 577,518.80 is: 865,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,806.87 : 2,232,007.38 = 577,518.80 : x
  2. Step 2: Convert to fraction form
    1,488,806.87/2,232,007.38 = 577,518.80/x
  3. Step 3: Cross multiply
    1,488,806.87x = 2,232,007.38 × 577,518.80
  4. Step 4: Simplify right side
    1,488,806.87x = 1,289,026,218,733.04
  5. Step 5: Solve for x
    x = 1,289,026,218,733.04/1,488,806.87
  6. Step 6: Final answer
    x = 865,811.57

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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.