Home / 1,122,707.34-1,549,318.02-613,398.78

Finding the Fourth Proportional to 1,122,707.34, 1,549,318.02 and 613,398.78

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Solution

The fourth proportional to 1,122,707.34, 1,549,318.02 and 613,398.78 is: 846,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,707.34 : 1,549,318.02 = 613,398.78 : x
  2. Step 2: Convert to fraction form
    1,122,707.34/1,549,318.02 = 613,398.78/x
  3. Step 3: Cross multiply
    1,122,707.34x = 1,549,318.02 × 613,398.78
  4. Step 4: Simplify right side
    1,122,707.34x = 950,349,783,300.02
  5. Step 5: Solve for x
    x = 950,349,783,300.02/1,122,707.34
  6. Step 6: Final answer
    x = 846,480.42

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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.