Home / 1,395,307.12-1,925,292.20-822,269.52

Finding the Fourth Proportional to 1,395,307.12, 1,925,292.20 and 822,269.52

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Solution

The fourth proportional to 1,395,307.12, 1,925,292.20 and 822,269.52 is: 1,134,595.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,307.12 : 1,925,292.20 = 822,269.52 : x
  2. Step 2: Convert to fraction form
    1,395,307.12/1,925,292.20 = 822,269.52/x
  3. Step 3: Cross multiply
    1,395,307.12x = 1,925,292.20 × 822,269.52
  4. Step 4: Simplify right side
    1,395,307.12x = 1,583,109,093,153.74
  5. Step 5: Solve for x
    x = 1,583,109,093,153.74/1,395,307.12
  6. Step 6: Final answer
    x = 1,134,595.44

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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.