Home / 947,995.80-1,421,993.70-885,787.80

Finding the Fourth Proportional to 947,995.80, 1,421,993.70 and 885,787.80

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Solution

The fourth proportional to 947,995.80, 1,421,993.70 and 885,787.80 is: 1,328,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,995.80 : 1,421,993.70 = 885,787.80 : x
  2. Step 2: Convert to fraction form
    947,995.80/1,421,993.70 = 885,787.80/x
  3. Step 3: Cross multiply
    947,995.80x = 1,421,993.70 × 885,787.80
  4. Step 4: Simplify right side
    947,995.80x = 1,259,584,671,136.86
  5. Step 5: Solve for x
    x = 1,259,584,671,136.86/947,995.80
  6. Step 6: Final answer
    x = 1,328,681.70

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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.