Home / 1,026,005.70-1,539,008.55-907,907.70

Finding the Fourth Proportional to 1,026,005.70, 1,539,008.55 and 907,907.70

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Solution

The fourth proportional to 1,026,005.70, 1,539,008.55 and 907,907.70 is: 1,361,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,005.70 : 1,539,008.55 = 907,907.70 : x
  2. Step 2: Convert to fraction form
    1,026,005.70/1,539,008.55 = 907,907.70/x
  3. Step 3: Cross multiply
    1,026,005.70x = 1,539,008.55 × 907,907.70
  4. Step 4: Simplify right side
    1,026,005.70x = 1,397,277,712,910.84
  5. Step 5: Solve for x
    x = 1,397,277,712,910.84/1,026,005.70
  6. Step 6: Final answer
    x = 1,361,861.55

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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.