Home / 1,109,966.60-1,664,949.90-830,030.60

Finding the Fourth Proportional to 1,109,966.60, 1,664,949.90 and 830,030.60

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Solution

The fourth proportional to 1,109,966.60, 1,664,949.90 and 830,030.60 is: 1,245,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,966.60 : 1,664,949.90 = 830,030.60 : x
  2. Step 2: Convert to fraction form
    1,109,966.60/1,664,949.90 = 830,030.60/x
  3. Step 3: Cross multiply
    1,109,966.60x = 1,664,949.90 × 830,030.60
  4. Step 4: Simplify right side
    1,109,966.60x = 1,381,959,364,466.94
  5. Step 5: Solve for x
    x = 1,381,959,364,466.94/1,109,966.60
  6. Step 6: Final answer
    x = 1,245,045.90

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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.