Home / 1,761,922.81-2,430,875.23-987,440.50

Finding the Fourth Proportional to 1,761,922.81, 2,430,875.23 and 987,440.50

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Solution

The fourth proportional to 1,761,922.81, 2,430,875.23 and 987,440.50 is: 1,362,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,922.81 : 2,430,875.23 = 987,440.50 : x
  2. Step 2: Convert to fraction form
    1,761,922.81/2,430,875.23 = 987,440.50/x
  3. Step 3: Cross multiply
    1,761,922.81x = 2,430,875.23 × 987,440.50
  4. Step 4: Simplify right side
    1,761,922.81x = 2,400,344,652,548.82
  5. Step 5: Solve for x
    x = 2,400,344,652,548.82/1,761,922.81
  6. Step 6: Final answer
    x = 1,362,343.82

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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.