Home / 1,114,726.49-1,538,271.10-631,295.10

Finding the Fourth Proportional to 1,114,726.49, 1,538,271.10 and 631,295.10

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Solution

The fourth proportional to 1,114,726.49, 1,538,271.10 and 631,295.10 is: 871,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,726.49 : 1,538,271.10 = 631,295.10 : x
  2. Step 2: Convert to fraction form
    1,114,726.49/1,538,271.10 = 631,295.10/x
  3. Step 3: Cross multiply
    1,114,726.49x = 1,538,271.10 × 631,295.10
  4. Step 4: Simplify right side
    1,114,726.49x = 971,103,008,690.73
  5. Step 5: Solve for x
    x = 971,103,008,690.73/1,114,726.49
  6. Step 6: Final answer
    x = 871,158.10

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Double scale
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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.