Home / 1,172,920.02-1,618,148.52-713,666.40

Finding the Fourth Proportional to 1,172,920.02, 1,618,148.52 and 713,666.40

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Solution

The fourth proportional to 1,172,920.02, 1,618,148.52 and 713,666.40 is: 984,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,920.02 : 1,618,148.52 = 713,666.40 : x
  2. Step 2: Convert to fraction form
    1,172,920.02/1,618,148.52 = 713,666.40/x
  3. Step 3: Cross multiply
    1,172,920.02x = 1,618,148.52 × 713,666.40
  4. Step 4: Simplify right side
    1,172,920.02x = 1,154,818,228,933.73
  5. Step 5: Solve for x
    x = 1,154,818,228,933.73/1,172,920.02
  6. Step 6: Final answer
    x = 984,566.90

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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.