Home / 1,329,472.60-1,993,820.10-476,445.40

Finding the Fourth Proportional to 1,329,472.60, 1,993,820.10 and 476,445.40

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Solution

The fourth proportional to 1,329,472.60, 1,993,820.10 and 476,445.40 is: 714,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,472.60 : 1,993,820.10 = 476,445.40 : x
  2. Step 2: Convert to fraction form
    1,329,472.60/1,993,820.10 = 476,445.40/x
  3. Step 3: Cross multiply
    1,329,472.60x = 1,993,820.10 × 476,445.40
  4. Step 4: Simplify right side
    1,329,472.60x = 949,946,415,072.54
  5. Step 5: Solve for x
    x = 949,946,415,072.54/1,329,472.60
  6. Step 6: Final answer
    x = 714,528.77

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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.