Home / 1,056,638.50-1,585,068.54-457,660.24

Finding the Fourth Proportional to 1,056,638.50, 1,585,068.54 and 457,660.24

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Solution

The fourth proportional to 1,056,638.50, 1,585,068.54 and 457,660.24 is: 686,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,638.50 : 1,585,068.54 = 457,660.24 : x
  2. Step 2: Convert to fraction form
    1,056,638.50/1,585,068.54 = 457,660.24/x
  3. Step 3: Cross multiply
    1,056,638.50x = 1,585,068.54 × 457,660.24
  4. Step 4: Simplify right side
    1,056,638.50x = 725,422,848,432.85
  5. Step 5: Solve for x
    x = 725,422,848,432.85/1,056,638.50
  6. Step 6: Final answer
    x = 686,538.35

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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.