Home / 1,423,390.40-2,135,087-581,942.16

Finding the Fourth Proportional to 1,423,390.40, 2,135,087 and 581,942.16

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Solution

The fourth proportional to 1,423,390.40, 2,135,087 and 581,942.16 is: 872,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,390.40 : 2,135,087 = 581,942.16 : x
  2. Step 2: Convert to fraction form
    1,423,390.40/2,135,087 = 581,942.16/x
  3. Step 3: Cross multiply
    1,423,390.40x = 2,135,087 × 581,942.16
  4. Step 4: Simplify right side
    1,423,390.40x = 1,242,497,140,567.92
  5. Step 5: Solve for x
    x = 1,242,497,140,567.92/1,423,390.40
  6. Step 6: Final answer
    x = 872,913.81

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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.