Home / 1,574,139.76-2,361,209.64-868,651.82

Finding the Fourth Proportional to 1,574,139.76, 2,361,209.64 and 868,651.82

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Solution

The fourth proportional to 1,574,139.76, 2,361,209.64 and 868,651.82 is: 1,302,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,139.76 : 2,361,209.64 = 868,651.82 : x
  2. Step 2: Convert to fraction form
    1,574,139.76/2,361,209.64 = 868,651.82/x
  3. Step 3: Cross multiply
    1,574,139.76x = 2,361,209.64 × 868,651.82
  4. Step 4: Simplify right side
    1,574,139.76x = 2,051,069,051,187.54
  5. Step 5: Solve for x
    x = 2,051,069,051,187.54/1,574,139.76
  6. Step 6: Final answer
    x = 1,302,977.73

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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.