Home / 917,113.80-1,374,504.30-816,803.40

Finding the Fourth Proportional to 917,113.80, 1,374,504.30 and 816,803.40

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Solution

The fourth proportional to 917,113.80, 1,374,504.30 and 816,803.40 is: 1,224,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,113.80 : 1,374,504.30 = 816,803.40 : x
  2. Step 2: Convert to fraction form
    917,113.80/1,374,504.30 = 816,803.40/x
  3. Step 3: Cross multiply
    917,113.80x = 1,374,504.30 × 816,803.40
  4. Step 4: Simplify right side
    917,113.80x = 1,122,699,785,554.62
  5. Step 5: Solve for x
    x = 1,122,699,785,554.62/917,113.80
  6. Step 6: Final answer
    x = 1,224,166.28

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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.