Home / 1,116,117.96-1,537,639.02-775,995.72

Finding the Fourth Proportional to 1,116,117.96, 1,537,639.02 and 775,995.72

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Solution

The fourth proportional to 1,116,117.96, 1,537,639.02 and 775,995.72 is: 1,069,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,117.96 : 1,537,639.02 = 775,995.72 : x
  2. Step 2: Convert to fraction form
    1,116,117.96/1,537,639.02 = 775,995.72/x
  3. Step 3: Cross multiply
    1,116,117.96x = 1,537,639.02 × 775,995.72
  4. Step 4: Simplify right side
    1,116,117.96x = 1,193,201,298,424.99
  5. Step 5: Solve for x
    x = 1,193,201,298,424.99/1,116,117.96
  6. Step 6: Final answer
    x = 1,069,063.79

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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.