Home / 1,106,460-1,659,540.96-432,070.20

Finding the Fourth Proportional to 1,106,460, 1,659,540.96 and 432,070.20

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Solution

The fourth proportional to 1,106,460, 1,659,540.96 and 432,070.20 is: 648,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,460 : 1,659,540.96 = 432,070.20 : x
  2. Step 2: Convert to fraction form
    1,106,460/1,659,540.96 = 432,070.20/x
  3. Step 3: Cross multiply
    1,106,460x = 1,659,540.96 × 432,070.20
  4. Step 4: Simplify right side
    1,106,460x = 717,038,194,495.39
  5. Step 5: Solve for x
    x = 717,038,194,495.39/1,106,460
  6. Step 6: Final answer
    x = 648,047.10

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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.