Home / 1,243,113.12-1,714,436.24-1,050,461.60

Finding the Fourth Proportional to 1,243,113.12, 1,714,436.24 and 1,050,461.60

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Solution

The fourth proportional to 1,243,113.12, 1,714,436.24 and 1,050,461.60 is: 1,448,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,113.12 : 1,714,436.24 = 1,050,461.60 : x
  2. Step 2: Convert to fraction form
    1,243,113.12/1,714,436.24 = 1,050,461.60/x
  3. Step 3: Cross multiply
    1,243,113.12x = 1,714,436.24 × 1,050,461.60
  4. Step 4: Simplify right side
    1,243,113.12x = 1,800,949,435,768.38
  5. Step 5: Solve for x
    x = 1,800,949,435,768.38/1,243,113.12
  6. Step 6: Final answer
    x = 1,448,741.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.