Home / 1,321,035.89-1,823,038.85-717,423.89

Finding the Fourth Proportional to 1,321,035.89, 1,823,038.85 and 717,423.89

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Solution

The fourth proportional to 1,321,035.89, 1,823,038.85 and 717,423.89 is: 990,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,035.89 : 1,823,038.85 = 717,423.89 : x
  2. Step 2: Convert to fraction form
    1,321,035.89/1,823,038.85 = 717,423.89/x
  3. Step 3: Cross multiply
    1,321,035.89x = 1,823,038.85 × 717,423.89
  4. Step 4: Simplify right side
    1,321,035.89x = 1,307,891,616,066.49
  5. Step 5: Solve for x
    x = 1,307,891,616,066.49/1,321,035.89
  6. Step 6: Final answer
    x = 990,050.03

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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.