Home / 1,105,595.57-1,658,440.74-386,009.93

Finding the Fourth Proportional to 1,105,595.57, 1,658,440.74 and 386,009.93

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Solution

The fourth proportional to 1,105,595.57, 1,658,440.74 and 386,009.93 is: 579,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,595.57 : 1,658,440.74 = 386,009.93 : x
  2. Step 2: Convert to fraction form
    1,105,595.57/1,658,440.74 = 386,009.93/x
  3. Step 3: Cross multiply
    1,105,595.57x = 1,658,440.74 × 386,009.93
  4. Step 4: Simplify right side
    1,105,595.57x = 640,174,593,956.55
  5. Step 5: Solve for x
    x = 640,174,593,956.55/1,105,595.57
  6. Step 6: Final answer
    x = 579,031.44

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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.