Home / 1,875,340.80-2,587,976.64-1,015,898.40

Finding the Fourth Proportional to 1,875,340.80, 2,587,976.64 and 1,015,898.40

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Solution

The fourth proportional to 1,875,340.80, 2,587,976.64 and 1,015,898.40 is: 1,401,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,340.80 : 2,587,976.64 = 1,015,898.40 : x
  2. Step 2: Convert to fraction form
    1,875,340.80/2,587,976.64 = 1,015,898.40/x
  3. Step 3: Cross multiply
    1,875,340.80x = 2,587,976.64 × 1,015,898.40
  4. Step 4: Simplify right side
    1,875,340.80x = 2,629,121,327,813.38
  5. Step 5: Solve for x
    x = 2,629,121,327,813.38/1,875,340.80
  6. Step 6: Final answer
    x = 1,401,943.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.