Home / 1,112,552.40-1,668,828.60-1,069,006.80

Finding the Fourth Proportional to 1,112,552.40, 1,668,828.60 and 1,069,006.80

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Solution

The fourth proportional to 1,112,552.40, 1,668,828.60 and 1,069,006.80 is: 1,603,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,552.40 : 1,668,828.60 = 1,069,006.80 : x
  2. Step 2: Convert to fraction form
    1,112,552.40/1,668,828.60 = 1,069,006.80/x
  3. Step 3: Cross multiply
    1,112,552.40x = 1,668,828.60 × 1,069,006.80
  4. Step 4: Simplify right side
    1,112,552.40x = 1,783,989,121,434.48
  5. Step 5: Solve for x
    x = 1,783,989,121,434.48/1,112,552.40
  6. Step 6: Final answer
    x = 1,603,510.20

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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.