Home / 1,122,430.08-1,548,934.08-613,119.36

Finding the Fourth Proportional to 1,122,430.08, 1,548,934.08 and 613,119.36

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Solution

The fourth proportional to 1,122,430.08, 1,548,934.08 and 613,119.36 is: 846,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,430.08 : 1,548,934.08 = 613,119.36 : x
  2. Step 2: Convert to fraction form
    1,122,430.08/1,548,934.08 = 613,119.36/x
  3. Step 3: Cross multiply
    1,122,430.08x = 1,548,934.08 × 613,119.36
  4. Step 4: Simplify right side
    1,122,430.08x = 949,681,471,811.79
  5. Step 5: Solve for x
    x = 949,681,471,811.79/1,122,430.08
  6. Step 6: Final answer
    x = 846,094.10

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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.