Home / 1,072,401.40-1,607,219.70-651,230.20

Finding the Fourth Proportional to 1,072,401.40, 1,607,219.70 and 651,230.20

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Solution

The fourth proportional to 1,072,401.40, 1,607,219.70 and 651,230.20 is: 976,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,401.40 : 1,607,219.70 = 651,230.20 : x
  2. Step 2: Convert to fraction form
    1,072,401.40/1,607,219.70 = 651,230.20/x
  3. Step 3: Cross multiply
    1,072,401.40x = 1,607,219.70 × 651,230.20
  4. Step 4: Simplify right side
    1,072,401.40x = 1,046,670,006,674.94
  5. Step 5: Solve for x
    x = 1,046,670,006,674.94/1,072,401.40
  6. Step 6: Final answer
    x = 976,005.82

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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.