Home / 1,109,305.79-1,530,810.93-625,915.92

Finding the Fourth Proportional to 1,109,305.79, 1,530,810.93 and 625,915.92

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Solution

The fourth proportional to 1,109,305.79, 1,530,810.93 and 625,915.92 is: 863,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,305.79 : 1,530,810.93 = 625,915.92 : x
  2. Step 2: Convert to fraction form
    1,109,305.79/1,530,810.93 = 625,915.92/x
  3. Step 3: Cross multiply
    1,109,305.79x = 1,530,810.93 × 625,915.92
  4. Step 4: Simplify right side
    1,109,305.79x = 958,158,923,942.95
  5. Step 5: Solve for x
    x = 958,158,923,942.95/1,109,305.79
  6. Step 6: Final answer
    x = 863,746.44

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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.