Home / 1,216,651.08-1,678,989.40-672,823.46

Finding the Fourth Proportional to 1,216,651.08, 1,678,989.40 and 672,823.46

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Solution

The fourth proportional to 1,216,651.08, 1,678,989.40 and 672,823.46 is: 928,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,651.08 : 1,678,989.40 = 672,823.46 : x
  2. Step 2: Convert to fraction form
    1,216,651.08/1,678,989.40 = 672,823.46/x
  3. Step 3: Cross multiply
    1,216,651.08x = 1,678,989.40 × 672,823.46
  4. Step 4: Simplify right side
    1,216,651.08x = 1,129,663,457,411.32
  5. Step 5: Solve for x
    x = 1,129,663,457,411.32/1,216,651.08
  6. Step 6: Final answer
    x = 928,502.41

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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.