Home / 1,143,737.08-1,578,189.90-660,225.40

Finding the Fourth Proportional to 1,143,737.08, 1,578,189.90 and 660,225.40

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Solution

The fourth proportional to 1,143,737.08, 1,578,189.90 and 660,225.40 is: 911,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,737.08 : 1,578,189.90 = 660,225.40 : x
  2. Step 2: Convert to fraction form
    1,143,737.08/1,578,189.90 = 660,225.40/x
  3. Step 3: Cross multiply
    1,143,737.08x = 1,578,189.90 × 660,225.40
  4. Step 4: Simplify right side
    1,143,737.08x = 1,041,961,058,003.46
  5. Step 5: Solve for x
    x = 1,041,961,058,003.46/1,143,737.08
  6. Step 6: Final answer
    x = 911,014.49

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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.