Home / 1,761,941.40-2,430,900.81-987,459

Finding the Fourth Proportional to 1,761,941.40, 2,430,900.81 and 987,459

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Solution

The fourth proportional to 1,761,941.40, 2,430,900.81 and 987,459 is: 1,362,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,941.40 : 2,430,900.81 = 987,459 : x
  2. Step 2: Convert to fraction form
    1,761,941.40/2,430,900.81 = 987,459/x
  3. Step 3: Cross multiply
    1,761,941.40x = 2,430,900.81 × 987,459
  4. Step 4: Simplify right side
    1,761,941.40x = 2,400,414,882,941.79
  5. Step 5: Solve for x
    x = 2,400,414,882,941.79/1,761,941.40
  6. Step 6: Final answer
    x = 1,362,369.31

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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.