Home / 1,426,812.71-1,971,611.01-1,038,954.47

Finding the Fourth Proportional to 1,426,812.71, 1,971,611.01 and 1,038,954.47

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Solution

The fourth proportional to 1,426,812.71, 1,971,611.01 and 1,038,954.47 is: 1,435,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,812.71 : 1,971,611.01 = 1,038,954.47 : x
  2. Step 2: Convert to fraction form
    1,426,812.71/1,971,611.01 = 1,038,954.47/x
  3. Step 3: Cross multiply
    1,426,812.71x = 1,971,611.01 × 1,038,954.47
  4. Step 4: Simplify right side
    1,426,812.71x = 2,048,414,062,082.66
  5. Step 5: Solve for x
    x = 2,048,414,062,082.66/1,426,812.71
  6. Step 6: Final answer
    x = 1,435,657.29

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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.