Home / 1,376,928.98-2,066,201.85-578,149.10

Finding the Fourth Proportional to 1,376,928.98, 2,066,201.85 and 578,149.10

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Solution

The fourth proportional to 1,376,928.98, 2,066,201.85 and 578,149.10 is: 867,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,928.98 : 2,066,201.85 = 578,149.10 : x
  2. Step 2: Convert to fraction form
    1,376,928.98/2,066,201.85 = 578,149.10/x
  3. Step 3: Cross multiply
    1,376,928.98x = 2,066,201.85 × 578,149.10
  4. Step 4: Simplify right side
    1,376,928.98x = 1,194,572,739,995.84
  5. Step 5: Solve for x
    x = 1,194,572,739,995.84/1,376,928.98
  6. Step 6: Final answer
    x = 867,563.08

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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.