Home / 1,190,434.52-1,786,124.88-380,943.63

Finding the Fourth Proportional to 1,190,434.52, 1,786,124.88 and 380,943.63

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Solution

The fourth proportional to 1,190,434.52, 1,786,124.88 and 380,943.63 is: 571,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,434.52 : 1,786,124.88 = 380,943.63 : x
  2. Step 2: Convert to fraction form
    1,190,434.52/1,786,124.88 = 380,943.63/x
  3. Step 3: Cross multiply
    1,190,434.52x = 1,786,124.88 × 380,943.63
  4. Step 4: Simplify right side
    1,190,434.52x = 680,412,895,420.51
  5. Step 5: Solve for x
    x = 680,412,895,420.51/1,190,434.52
  6. Step 6: Final answer
    x = 571,566.84

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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.