Home / 1,849,378.80-2,772,099.90-711,701.40

Finding the Fourth Proportional to 1,849,378.80, 2,772,099.90 and 711,701.40

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Solution

The fourth proportional to 1,849,378.80, 2,772,099.90 and 711,701.40 is: 1,066,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849,378.80 : 2,772,099.90 = 711,701.40 : x
  2. Step 2: Convert to fraction form
    1,849,378.80/2,772,099.90 = 711,701.40/x
  3. Step 3: Cross multiply
    1,849,378.80x = 2,772,099.90 × 711,701.40
  4. Step 4: Simplify right side
    1,849,378.80x = 1,972,907,379,769.86
  5. Step 5: Solve for x
    x = 1,972,907,379,769.86/1,849,378.80
  6. Step 6: Final answer
    x = 1,066,794.63

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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.