Home / 1,122,154.08-1,548,582.52-638,750.34

Finding the Fourth Proportional to 1,122,154.08, 1,548,582.52 and 638,750.34

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Solution

The fourth proportional to 1,122,154.08, 1,548,582.52 and 638,750.34 is: 881,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,154.08 : 1,548,582.52 = 638,750.34 : x
  2. Step 2: Convert to fraction form
    1,122,154.08/1,548,582.52 = 638,750.34/x
  3. Step 3: Cross multiply
    1,122,154.08x = 1,548,582.52 × 638,750.34
  4. Step 4: Simplify right side
    1,122,154.08x = 989,157,611,168.06
  5. Step 5: Solve for x
    x = 989,157,611,168.06/1,122,154.08
  6. Step 6: Final answer
    x = 881,481.10

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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.