Home / 1,239,406.25-1,710,342.24-688,110.02

Finding the Fourth Proportional to 1,239,406.25, 1,710,342.24 and 688,110.02

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Solution

The fourth proportional to 1,239,406.25, 1,710,342.24 and 688,110.02 is: 949,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,406.25 : 1,710,342.24 = 688,110.02 : x
  2. Step 2: Convert to fraction form
    1,239,406.25/1,710,342.24 = 688,110.02/x
  3. Step 3: Cross multiply
    1,239,406.25x = 1,710,342.24 × 688,110.02
  4. Step 4: Simplify right side
    1,239,406.25x = 1,176,903,629,532.69
  5. Step 5: Solve for x
    x = 1,176,903,629,532.69/1,239,406.25
  6. Step 6: Final answer
    x = 949,570.51

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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.