Home / 1,603,612.74-2,213,020.80-915,270.69

Finding the Fourth Proportional to 1,603,612.74, 2,213,020.80 and 915,270.69

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Solution

The fourth proportional to 1,603,612.74, 2,213,020.80 and 915,270.69 is: 1,263,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,612.74 : 2,213,020.80 = 915,270.69 : x
  2. Step 2: Convert to fraction form
    1,603,612.74/2,213,020.80 = 915,270.69/x
  3. Step 3: Cross multiply
    1,603,612.74x = 2,213,020.80 × 915,270.69
  4. Step 4: Simplify right side
    1,603,612.74x = 2,025,513,074,600.35
  5. Step 5: Solve for x
    x = 2,025,513,074,600.35/1,603,612.74
  6. Step 6: Final answer
    x = 1,263,093.65

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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.