Home / 1,240,847.61-1,712,168.96-775,647.06

Finding the Fourth Proportional to 1,240,847.61, 1,712,168.96 and 775,647.06

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Solution

The fourth proportional to 1,240,847.61, 1,712,168.96 and 775,647.06 is: 1,070,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,847.61 : 1,712,168.96 = 775,647.06 : x
  2. Step 2: Convert to fraction form
    1,240,847.61/1,712,168.96 = 775,647.06/x
  3. Step 3: Cross multiply
    1,240,847.61x = 1,712,168.96 × 775,647.06
  4. Step 4: Simplify right side
    1,240,847.61x = 1,328,038,816,169.02
  5. Step 5: Solve for x
    x = 1,328,038,816,169.02/1,240,847.61
  6. Step 6: Final answer
    x = 1,070,267.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.