Home / 1,209,127.41-1,812,316.13-631,860.66

Finding the Fourth Proportional to 1,209,127.41, 1,812,316.13 and 631,860.66

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Solution

The fourth proportional to 1,209,127.41, 1,812,316.13 and 631,860.66 is: 947,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,127.41 : 1,812,316.13 = 631,860.66 : x
  2. Step 2: Convert to fraction form
    1,209,127.41/1,812,316.13 = 631,860.66/x
  3. Step 3: Cross multiply
    1,209,127.41x = 1,812,316.13 × 631,860.66
  4. Step 4: Simplify right side
    1,209,127.41x = 1,145,131,267,610.10
  5. Step 5: Solve for x
    x = 1,145,131,267,610.10/1,209,127.41
  6. Step 6: Final answer
    x = 947,072.46

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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.