Home / 1,078,006.40-1,617,009.60-658,102.40

Finding the Fourth Proportional to 1,078,006.40, 1,617,009.60 and 658,102.40

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Solution

The fourth proportional to 1,078,006.40, 1,617,009.60 and 658,102.40 is: 987,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,006.40 : 1,617,009.60 = 658,102.40 : x
  2. Step 2: Convert to fraction form
    1,078,006.40/1,617,009.60 = 658,102.40/x
  3. Step 3: Cross multiply
    1,078,006.40x = 1,617,009.60 × 658,102.40
  4. Step 4: Simplify right side
    1,078,006.40x = 1,064,157,898,583.04
  5. Step 5: Solve for x
    x = 1,064,157,898,583.04/1,078,006.40
  6. Step 6: Final answer
    x = 987,153.60

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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.