Home / 1,013,785.56-1,518,999.15-712,795.58

Finding the Fourth Proportional to 1,013,785.56, 1,518,999.15 and 712,795.58

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Solution

The fourth proportional to 1,013,785.56, 1,518,999.15 and 712,795.58 is: 1,068,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,785.56 : 1,518,999.15 = 712,795.58 : x
  2. Step 2: Convert to fraction form
    1,013,785.56/1,518,999.15 = 712,795.58/x
  3. Step 3: Cross multiply
    1,013,785.56x = 1,518,999.15 × 712,795.58
  4. Step 4: Simplify right side
    1,013,785.56x = 1,082,735,872,548.76
  5. Step 5: Solve for x
    x = 1,082,735,872,548.76/1,013,785.56
  6. Step 6: Final answer
    x = 1,068,012.72

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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.