Home / 1,190,430.72-1,785,608.64-291,875.04

Finding the Fourth Proportional to 1,190,430.72, 1,785,608.64 and 291,875.04

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Solution

The fourth proportional to 1,190,430.72, 1,785,608.64 and 291,875.04 is: 437,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,430.72 : 1,785,608.64 = 291,875.04 : x
  2. Step 2: Convert to fraction form
    1,190,430.72/1,785,608.64 = 291,875.04/x
  3. Step 3: Cross multiply
    1,190,430.72x = 1,785,608.64 × 291,875.04
  4. Step 4: Simplify right side
    1,190,430.72x = 521,174,593,224.35
  5. Step 5: Solve for x
    x = 521,174,593,224.35/1,190,430.72
  6. Step 6: Final answer
    x = 437,803.38

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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.