Home / 1,331,571.04-1,997,160-489,927.04

Finding the Fourth Proportional to 1,331,571.04, 1,997,160 and 489,927.04

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Solution

The fourth proportional to 1,331,571.04, 1,997,160 and 489,927.04 is: 734,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,571.04 : 1,997,160 = 489,927.04 : x
  2. Step 2: Convert to fraction form
    1,331,571.04/1,997,160 = 489,927.04/x
  3. Step 3: Cross multiply
    1,331,571.04x = 1,997,160 × 489,927.04
  4. Step 4: Simplify right side
    1,331,571.04x = 978,462,687,206.40
  5. Step 5: Solve for x
    x = 978,462,687,206.40/1,331,571.04
  6. Step 6: Final answer
    x = 734,818.24

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1.5x scale

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.