Home / 822,051.60-1,233,077.40-674,429.10

Finding the Fourth Proportional to 822,051.60, 1,233,077.40 and 674,429.10

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Solution

The fourth proportional to 822,051.60, 1,233,077.40 and 674,429.10 is: 1,011,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,051.60 : 1,233,077.40 = 674,429.10 : x
  2. Step 2: Convert to fraction form
    822,051.60/1,233,077.40 = 674,429.10/x
  3. Step 3: Cross multiply
    822,051.60x = 1,233,077.40 × 674,429.10
  4. Step 4: Simplify right side
    822,051.60x = 831,623,281,112.34
  5. Step 5: Solve for x
    x = 831,623,281,112.34/822,051.60
  6. Step 6: Final answer
    x = 1,011,643.65

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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.