Home / 1,095,712.80-1,642,451.40-740,762.70

Finding the Fourth Proportional to 1,095,712.80, 1,642,451.40 and 740,762.70

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Solution

The fourth proportional to 1,095,712.80, 1,642,451.40 and 740,762.70 is: 1,110,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,712.80 : 1,642,451.40 = 740,762.70 : x
  2. Step 2: Convert to fraction form
    1,095,712.80/1,642,451.40 = 740,762.70/x
  3. Step 3: Cross multiply
    1,095,712.80x = 1,642,451.40 × 740,762.70
  4. Step 4: Simplify right side
    1,095,712.80x = 1,216,666,733,682.78
  5. Step 5: Solve for x
    x = 1,216,666,733,682.78/1,095,712.80
  6. Step 6: Final answer
    x = 1,110,388.36

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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.