Home / 1,114,935.40-1,538,575.38-631,545.16

Finding the Fourth Proportional to 1,114,935.40, 1,538,575.38 and 631,545.16

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Solution

The fourth proportional to 1,114,935.40, 1,538,575.38 and 631,545.16 is: 871,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,935.40 : 1,538,575.38 = 631,545.16 : x
  2. Step 2: Convert to fraction form
    1,114,935.40/1,538,575.38 = 631,545.16/x
  3. Step 3: Cross multiply
    1,114,935.40x = 1,538,575.38 × 631,545.16
  4. Step 4: Simplify right side
    1,114,935.40x = 971,679,834,534.16
  5. Step 5: Solve for x
    x = 971,679,834,534.16/1,114,935.40
  6. Step 6: Final answer
    x = 871,512.23

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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.