Home / 1,448,575.02-1,999,401.39-989,875.26

Finding the Fourth Proportional to 1,448,575.02, 1,999,401.39 and 989,875.26

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Solution

The fourth proportional to 1,448,575.02, 1,999,401.39 and 989,875.26 is: 1,366,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,575.02 : 1,999,401.39 = 989,875.26 : x
  2. Step 2: Convert to fraction form
    1,448,575.02/1,999,401.39 = 989,875.26/x
  3. Step 3: Cross multiply
    1,448,575.02x = 1,999,401.39 × 989,875.26
  4. Step 4: Simplify right side
    1,448,575.02x = 1,979,157,970,770.61
  5. Step 5: Solve for x
    x = 1,979,157,970,770.61/1,448,575.02
  6. Step 6: Final answer
    x = 1,366,279.24

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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.