Home / 1,095,628.80-1,642,325.40-740,678.70

Finding the Fourth Proportional to 1,095,628.80, 1,642,325.40 and 740,678.70

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Solution

The fourth proportional to 1,095,628.80, 1,642,325.40 and 740,678.70 is: 1,110,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,628.80 : 1,642,325.40 = 740,678.70 : x
  2. Step 2: Convert to fraction form
    1,095,628.80/1,642,325.40 = 740,678.70/x
  3. Step 3: Cross multiply
    1,095,628.80x = 1,642,325.40 × 740,678.70
  4. Step 4: Simplify right side
    1,095,628.80x = 1,216,435,442,248.98
  5. Step 5: Solve for x
    x = 1,216,435,442,248.98/1,095,628.80
  6. Step 6: Final answer
    x = 1,110,262.38

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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.