Home / 1,222,310.40-1,833,026.40-423,376.80

Finding the Fourth Proportional to 1,222,310.40, 1,833,026.40 and 423,376.80

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Solution

The fourth proportional to 1,222,310.40, 1,833,026.40 and 423,376.80 is: 634,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,310.40 : 1,833,026.40 = 423,376.80 : x
  2. Step 2: Convert to fraction form
    1,222,310.40/1,833,026.40 = 423,376.80/x
  3. Step 3: Cross multiply
    1,222,310.40x = 1,833,026.40 × 423,376.80
  4. Step 4: Simplify right side
    1,222,310.40x = 776,060,851,547.52
  5. Step 5: Solve for x
    x = 776,060,851,547.52/1,222,310.40
  6. Step 6: Final answer
    x = 634,913.07

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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.