Home / 1,048,639.15-1,560,399.06-1,045,096.21

Finding the Fourth Proportional to 1,048,639.15, 1,560,399.06 and 1,045,096.21

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Solution

The fourth proportional to 1,048,639.15, 1,560,399.06 and 1,045,096.21 is: 1,555,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,639.15 : 1,560,399.06 = 1,045,096.21 : x
  2. Step 2: Convert to fraction form
    1,048,639.15/1,560,399.06 = 1,045,096.21/x
  3. Step 3: Cross multiply
    1,048,639.15x = 1,560,399.06 × 1,045,096.21
  4. Step 4: Simplify right side
    1,048,639.15x = 1,630,767,138,468.08
  5. Step 5: Solve for x
    x = 1,630,767,138,468.08/1,048,639.15
  6. Step 6: Final answer
    x = 1,555,127.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.