Home / 1,140,649.30-1,573,931.28-631,350.46

Finding the Fourth Proportional to 1,140,649.30, 1,573,931.28 and 631,350.46

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Solution

The fourth proportional to 1,140,649.30, 1,573,931.28 and 631,350.46 is: 871,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,649.30 : 1,573,931.28 = 631,350.46 : x
  2. Step 2: Convert to fraction form
    1,140,649.30/1,573,931.28 = 631,350.46/x
  3. Step 3: Cross multiply
    1,140,649.30x = 1,573,931.28 × 631,350.46
  4. Step 4: Simplify right side
    1,140,649.30x = 993,702,237,636.39
  5. Step 5: Solve for x
    x = 993,702,237,636.39/1,140,649.30
  6. Step 6: Final answer
    x = 871,172.44

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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.