Home / 1,828,117.60-2,742,431.56-762,915.50

Finding the Fourth Proportional to 1,828,117.60, 2,742,431.56 and 762,915.50

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Solution

The fourth proportional to 1,828,117.60, 2,742,431.56 and 762,915.50 is: 1,144,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,117.60 : 2,742,431.56 = 762,915.50 : x
  2. Step 2: Convert to fraction form
    1,828,117.60/2,742,431.56 = 762,915.50/x
  3. Step 3: Cross multiply
    1,828,117.60x = 2,742,431.56 × 762,915.50
  4. Step 4: Simplify right side
    1,828,117.60x = 2,092,243,544,813.18
  5. Step 5: Solve for x
    x = 2,092,243,544,813.18/1,828,117.60
  6. Step 6: Final answer
    x = 1,144,479.73

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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.