Home / 1,283,389.95-1,926,977.37-715,879.83

Finding the Fourth Proportional to 1,283,389.95, 1,926,977.37 and 715,879.83

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Solution

The fourth proportional to 1,283,389.95, 1,926,977.37 and 715,879.83 is: 1,074,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,389.95 : 1,926,977.37 = 715,879.83 : x
  2. Step 2: Convert to fraction form
    1,283,389.95/1,926,977.37 = 715,879.83/x
  3. Step 3: Cross multiply
    1,283,389.95x = 1,926,977.37 × 715,879.83
  4. Step 4: Simplify right side
    1,283,389.95x = 1,379,484,232,049.45
  5. Step 5: Solve for x
    x = 1,379,484,232,049.45/1,283,389.95
  6. Step 6: Final answer
    x = 1,074,875.36

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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.