Home / 1,578,261.20-2,368,363.80-680,133.20

Finding the Fourth Proportional to 1,578,261.20, 2,368,363.80 and 680,133.20

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Solution

The fourth proportional to 1,578,261.20, 2,368,363.80 and 680,133.20 is: 1,020,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,261.20 : 2,368,363.80 = 680,133.20 : x
  2. Step 2: Convert to fraction form
    1,578,261.20/2,368,363.80 = 680,133.20/x
  3. Step 3: Cross multiply
    1,578,261.20x = 2,368,363.80 × 680,133.20
  4. Step 4: Simplify right side
    1,578,261.20x = 1,610,802,850,058.16
  5. Step 5: Solve for x
    x = 1,610,802,850,058.16/1,578,261.20
  6. Step 6: Final answer
    x = 1,020,618.67

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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.