Home / 917,622.80-1,373,669.40-807,030.80

Finding the Fourth Proportional to 917,622.80, 1,373,669.40 and 807,030.80

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Solution

The fourth proportional to 917,622.80, 1,373,669.40 and 807,030.80 is: 1,208,114.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,622.80 : 1,373,669.40 = 807,030.80 : x
  2. Step 2: Convert to fraction form
    917,622.80/1,373,669.40 = 807,030.80/x
  3. Step 3: Cross multiply
    917,622.80x = 1,373,669.40 × 807,030.80
  4. Step 4: Simplify right side
    917,622.80x = 1,108,593,514,817.52
  5. Step 5: Solve for x
    x = 1,108,593,514,817.52/917,622.80
  6. Step 6: Final answer
    x = 1,208,114.61

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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.