Home / 1,308,478.48-1,962,715.66-409,989.17

Finding the Fourth Proportional to 1,308,478.48, 1,962,715.66 and 409,989.17

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Solution

The fourth proportional to 1,308,478.48, 1,962,715.66 and 409,989.17 is: 614,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,478.48 : 1,962,715.66 = 409,989.17 : x
  2. Step 2: Convert to fraction form
    1,308,478.48/1,962,715.66 = 409,989.17/x
  3. Step 3: Cross multiply
    1,308,478.48x = 1,962,715.66 × 409,989.17
  4. Step 4: Simplify right side
    1,308,478.48x = 804,692,168,271.22
  5. Step 5: Solve for x
    x = 804,692,168,271.22/1,308,478.48
  6. Step 6: Final answer
    x = 614,983.11

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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.