Home / 1,385,130.05-2,078,352.59-959,321.15

Finding the Fourth Proportional to 1,385,130.05, 2,078,352.59 and 959,321.15

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Solution

The fourth proportional to 1,385,130.05, 2,078,352.59 and 959,321.15 is: 1,439,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,130.05 : 2,078,352.59 = 959,321.15 : x
  2. Step 2: Convert to fraction form
    1,385,130.05/2,078,352.59 = 959,321.15/x
  3. Step 3: Cross multiply
    1,385,130.05x = 2,078,352.59 × 959,321.15
  4. Step 4: Simplify right side
    1,385,130.05x = 1,993,807,581,555.91
  5. Step 5: Solve for x
    x = 1,993,807,581,555.91/1,385,130.05
  6. Step 6: Final answer
    x = 1,439,437.10

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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.