Home / 1,206,893.20-1,808,266.20-637,430.80

Finding the Fourth Proportional to 1,206,893.20, 1,808,266.20 and 637,430.80

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Solution

The fourth proportional to 1,206,893.20, 1,808,266.20 and 637,430.80 is: 955,051.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,893.20 : 1,808,266.20 = 637,430.80 : x
  2. Step 2: Convert to fraction form
    1,206,893.20/1,808,266.20 = 637,430.80/x
  3. Step 3: Cross multiply
    1,206,893.20x = 1,808,266.20 × 637,430.80
  4. Step 4: Simplify right side
    1,206,893.20x = 1,152,644,570,478.96
  5. Step 5: Solve for x
    x = 1,152,644,570,478.96/1,206,893.20
  6. Step 6: Final answer
    x = 955,051.01

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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.