Home / 1,220,484.78-1,830,727.26-472,530.78

Finding the Fourth Proportional to 1,220,484.78, 1,830,727.26 and 472,530.78

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Solution

The fourth proportional to 1,220,484.78, 1,830,727.26 and 472,530.78 is: 708,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,484.78 : 1,830,727.26 = 472,530.78 : x
  2. Step 2: Convert to fraction form
    1,220,484.78/1,830,727.26 = 472,530.78/x
  3. Step 3: Cross multiply
    1,220,484.78x = 1,830,727.26 × 472,530.78
  4. Step 4: Simplify right side
    1,220,484.78x = 865,074,980,135.06
  5. Step 5: Solve for x
    x = 865,074,980,135.06/1,220,484.78
  6. Step 6: Final answer
    x = 708,796.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.