Home / 1,120,609.16-1,672,173.65-999,835.91

Finding the Fourth Proportional to 1,120,609.16, 1,672,173.65 and 999,835.91

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Solution

The fourth proportional to 1,120,609.16, 1,672,173.65 and 999,835.91 is: 1,491,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,609.16 : 1,672,173.65 = 999,835.91 : x
  2. Step 2: Convert to fraction form
    1,120,609.16/1,672,173.65 = 999,835.91/x
  3. Step 3: Cross multiply
    1,120,609.16x = 1,672,173.65 × 999,835.91
  4. Step 4: Simplify right side
    1,120,609.16x = 1,671,899,249,665.72
  5. Step 5: Solve for x
    x = 1,671,899,249,665.72/1,120,609.16
  6. Step 6: Final answer
    x = 1,491,955.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.