Home / 988,934.20-1,483,401.30-971,438.20

Finding the Fourth Proportional to 988,934.20, 1,483,401.30 and 971,438.20

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Solution

The fourth proportional to 988,934.20, 1,483,401.30 and 971,438.20 is: 1,457,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,934.20 : 1,483,401.30 = 971,438.20 : x
  2. Step 2: Convert to fraction form
    988,934.20/1,483,401.30 = 971,438.20/x
  3. Step 3: Cross multiply
    988,934.20x = 1,483,401.30 × 971,438.20
  4. Step 4: Simplify right side
    988,934.20x = 1,441,032,688,749.66
  5. Step 5: Solve for x
    x = 1,441,032,688,749.66/988,934.20
  6. Step 6: Final answer
    x = 1,457,157.30

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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.