Home / 1,167,142.02-1,611,984.59-784,504.50

Finding the Fourth Proportional to 1,167,142.02, 1,611,984.59 and 784,504.50

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Solution

The fourth proportional to 1,167,142.02, 1,611,984.59 and 784,504.50 is: 1,083,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,142.02 : 1,611,984.59 = 784,504.50 : x
  2. Step 2: Convert to fraction form
    1,167,142.02/1,611,984.59 = 784,504.50/x
  3. Step 3: Cross multiply
    1,167,142.02x = 1,611,984.59 × 784,504.50
  4. Step 4: Simplify right side
    1,167,142.02x = 1,264,609,160,863.13
  5. Step 5: Solve for x
    x = 1,264,609,160,863.13/1,167,142.02
  6. Step 6: Final answer
    x = 1,083,509.24

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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.