Home / 1,490,058-2,056,280.04-810,999.36

Finding the Fourth Proportional to 1,490,058, 2,056,280.04 and 810,999.36

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Solution

The fourth proportional to 1,490,058, 2,056,280.04 and 810,999.36 is: 1,119,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,058 : 2,056,280.04 = 810,999.36 : x
  2. Step 2: Convert to fraction form
    1,490,058/2,056,280.04 = 810,999.36/x
  3. Step 3: Cross multiply
    1,490,058x = 2,056,280.04 × 810,999.36
  4. Step 4: Simplify right side
    1,490,058x = 1,667,641,796,420.77
  5. Step 5: Solve for x
    x = 1,667,641,796,420.77/1,490,058
  6. Step 6: Final answer
    x = 1,119,179.12

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1.5x scale

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.