Home / 1,114,813.48-1,538,462.88-631,478.98

Finding the Fourth Proportional to 1,114,813.48, 1,538,462.88 and 631,478.98

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Solution

The fourth proportional to 1,114,813.48, 1,538,462.88 and 631,478.98 is: 871,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,813.48 : 1,538,462.88 = 631,478.98 : x
  2. Step 2: Convert to fraction form
    1,114,813.48/1,538,462.88 = 631,478.98/x
  3. Step 3: Cross multiply
    1,114,813.48x = 1,538,462.88 × 631,478.98
  4. Step 4: Simplify right side
    1,114,813.48x = 971,506,970,230.26
  5. Step 5: Solve for x
    x = 971,506,970,230.26/1,114,813.48
  6. Step 6: Final answer
    x = 871,452.48

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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.