Home / 1,140,285.02-1,709,922.09-607,706.78

Finding the Fourth Proportional to 1,140,285.02, 1,709,922.09 and 607,706.78

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Solution

The fourth proportional to 1,140,285.02, 1,709,922.09 and 607,706.78 is: 911,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,285.02 : 1,709,922.09 = 607,706.78 : x
  2. Step 2: Convert to fraction form
    1,140,285.02/1,709,922.09 = 607,706.78/x
  3. Step 3: Cross multiply
    1,140,285.02x = 1,709,922.09 × 607,706.78
  4. Step 4: Simplify right side
    1,140,285.02x = 1,039,131,247,364.77
  5. Step 5: Solve for x
    x = 1,039,131,247,364.77/1,140,285.02
  6. Step 6: Final answer
    x = 911,290.80

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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.