Home / 1,134,580.24-1,565,776.27-638,020.45

Finding the Fourth Proportional to 1,134,580.24, 1,565,776.27 and 638,020.45

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Solution

The fourth proportional to 1,134,580.24, 1,565,776.27 and 638,020.45 is: 880,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,580.24 : 1,565,776.27 = 638,020.45 : x
  2. Step 2: Convert to fraction form
    1,134,580.24/1,565,776.27 = 638,020.45/x
  3. Step 3: Cross multiply
    1,134,580.24x = 1,565,776.27 × 638,020.45
  4. Step 4: Simplify right side
    1,134,580.24x = 998,997,274,331.98
  5. Step 5: Solve for x
    x = 998,997,274,331.98/1,134,580.24
  6. Step 6: Final answer
    x = 880,499.45

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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.