Home / 1,425,581.16-1,967,285.71-772,194.86

Finding the Fourth Proportional to 1,425,581.16, 1,967,285.71 and 772,194.86

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Solution

The fourth proportional to 1,425,581.16, 1,967,285.71 and 772,194.86 is: 1,065,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,581.16 : 1,967,285.71 = 772,194.86 : x
  2. Step 2: Convert to fraction form
    1,425,581.16/1,967,285.71 = 772,194.86/x
  3. Step 3: Cross multiply
    1,425,581.16x = 1,967,285.71 × 772,194.86
  4. Step 4: Simplify right side
    1,425,581.16x = 1,519,127,913,413.45
  5. Step 5: Solve for x
    x = 1,519,127,913,413.45/1,425,581.16
  6. Step 6: Final answer
    x = 1,065,620.08

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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.