Home / 1,875,280.80-2,587,887.33-1,015,840.86

Finding the Fourth Proportional to 1,875,280.80, 2,587,887.33 and 1,015,840.86

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Solution

The fourth proportional to 1,875,280.80, 2,587,887.33 and 1,015,840.86 is: 1,401,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,280.80 : 2,587,887.33 = 1,015,840.86 : x
  2. Step 2: Convert to fraction form
    1,875,280.80/2,587,887.33 = 1,015,840.86/x
  3. Step 3: Cross multiply
    1,875,280.80x = 2,587,887.33 × 1,015,840.86
  4. Step 4: Simplify right side
    1,875,280.80x = 2,628,881,690,890.30
  5. Step 5: Solve for x
    x = 2,628,881,690,890.30/1,875,280.80
  6. Step 6: Final answer
    x = 1,401,860.29

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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.