Home / 1,343,441.46-1,851,990.57-1,020,591.12

Finding the Fourth Proportional to 1,343,441.46, 1,851,990.57 and 1,020,591.12

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Solution

The fourth proportional to 1,343,441.46, 1,851,990.57 and 1,020,591.12 is: 1,406,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,441.46 : 1,851,990.57 = 1,020,591.12 : x
  2. Step 2: Convert to fraction form
    1,343,441.46/1,851,990.57 = 1,020,591.12/x
  3. Step 3: Cross multiply
    1,343,441.46x = 1,851,990.57 × 1,020,591.12
  4. Step 4: Simplify right side
    1,343,441.46x = 1,890,125,130,065.74
  5. Step 5: Solve for x
    x = 1,890,125,130,065.74/1,343,441.46
  6. Step 6: Final answer
    x = 1,406,927.79

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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.