Home / 1,402,350.30-2,103,525.45-868,139.10

Finding the Fourth Proportional to 1,402,350.30, 2,103,525.45 and 868,139.10

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Solution

The fourth proportional to 1,402,350.30, 2,103,525.45 and 868,139.10 is: 1,302,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,350.30 : 2,103,525.45 = 868,139.10 : x
  2. Step 2: Convert to fraction form
    1,402,350.30/2,103,525.45 = 868,139.10/x
  3. Step 3: Cross multiply
    1,402,350.30x = 2,103,525.45 × 868,139.10
  4. Step 4: Simplify right side
    1,402,350.30x = 1,826,152,690,990.10
  5. Step 5: Solve for x
    x = 1,826,152,690,990.10/1,402,350.30
  6. Step 6: Final answer
    x = 1,302,208.65

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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.