Home / 1,108,386.64-1,529,590.53-649,391.38

Finding the Fourth Proportional to 1,108,386.64, 1,529,590.53 and 649,391.38

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Solution

The fourth proportional to 1,108,386.64, 1,529,590.53 and 649,391.38 is: 896,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,386.64 : 1,529,590.53 = 649,391.38 : x
  2. Step 2: Convert to fraction form
    1,108,386.64/1,529,590.53 = 649,391.38/x
  3. Step 3: Cross multiply
    1,108,386.64x = 1,529,590.53 × 649,391.38
  4. Step 4: Simplify right side
    1,108,386.64x = 993,302,903,722.87
  5. Step 5: Solve for x
    x = 993,302,903,722.87/1,108,386.64
  6. Step 6: Final answer
    x = 896,170.05

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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.