Home / 1,427,484.45-2,139,915.35-617,362.17

Finding the Fourth Proportional to 1,427,484.45, 2,139,915.35 and 617,362.17

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Solution

The fourth proportional to 1,427,484.45, 2,139,915.35 and 617,362.17 is: 925,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,484.45 : 2,139,915.35 = 617,362.17 : x
  2. Step 2: Convert to fraction form
    1,427,484.45/2,139,915.35 = 617,362.17/x
  3. Step 3: Cross multiply
    1,427,484.45x = 2,139,915.35 × 617,362.17
  4. Step 4: Simplify right side
    1,427,484.45x = 1,321,102,781,005.50
  5. Step 5: Solve for x
    x = 1,321,102,781,005.50/1,427,484.45
  6. Step 6: Final answer
    x = 925,476.13

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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.