Home / 1,087,835.40-1,631,507.13-413,676.45

Finding the Fourth Proportional to 1,087,835.40, 1,631,507.13 and 413,676.45

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Solution

The fourth proportional to 1,087,835.40, 1,631,507.13 and 413,676.45 is: 620,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,835.40 : 1,631,507.13 = 413,676.45 : x
  2. Step 2: Convert to fraction form
    1,087,835.40/1,631,507.13 = 413,676.45/x
  3. Step 3: Cross multiply
    1,087,835.40x = 1,631,507.13 × 413,676.45
  4. Step 4: Simplify right side
    1,087,835.40x = 674,916,077,688.09
  5. Step 5: Solve for x
    x = 674,916,077,688.09/1,087,835.40
  6. Step 6: Final answer
    x = 620,421.14

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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.