Home / 1,725,838.76-2,590,094.82-1,389,702.50

Finding the Fourth Proportional to 1,725,838.76, 2,590,094.82 and 1,389,702.50

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Solution

The fourth proportional to 1,725,838.76, 2,590,094.82 and 1,389,702.50 is: 2,085,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,838.76 : 2,590,094.82 = 1,389,702.50 : x
  2. Step 2: Convert to fraction form
    1,725,838.76/2,590,094.82 = 1,389,702.50/x
  3. Step 3: Cross multiply
    1,725,838.76x = 2,590,094.82 × 1,389,702.50
  4. Step 4: Simplify right side
    1,725,838.76x = 3,599,461,246,591.05
  5. Step 5: Solve for x
    x = 3,599,461,246,591.05/1,725,838.76
  6. Step 6: Final answer
    x = 2,085,630.09

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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.