Home / 1,377,953.38-2,066,968.95-380,681.38

Finding the Fourth Proportional to 1,377,953.38, 2,066,968.95 and 380,681.38

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Solution

The fourth proportional to 1,377,953.38, 2,066,968.95 and 380,681.38 is: 571,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,953.38 : 2,066,968.95 = 380,681.38 : x
  2. Step 2: Convert to fraction form
    1,377,953.38/2,066,968.95 = 380,681.38/x
  3. Step 3: Cross multiply
    1,377,953.38x = 2,066,968.95 × 380,681.38
  4. Step 4: Simplify right side
    1,377,953.38x = 786,856,592,303.15
  5. Step 5: Solve for x
    x = 786,856,592,303.15/1,377,953.38
  6. Step 6: Final answer
    x = 571,032.81

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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.