Home / 1,186,034.07-1,779,160.48-387,319.80

Finding the Fourth Proportional to 1,186,034.07, 1,779,160.48 and 387,319.80

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Solution

The fourth proportional to 1,186,034.07, 1,779,160.48 and 387,319.80 is: 581,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,034.07 : 1,779,160.48 = 387,319.80 : x
  2. Step 2: Convert to fraction form
    1,186,034.07/1,779,160.48 = 387,319.80/x
  3. Step 3: Cross multiply
    1,186,034.07x = 1,779,160.48 × 387,319.80
  4. Step 4: Simplify right side
    1,186,034.07x = 689,104,086,985.06
  5. Step 5: Solve for x
    x = 689,104,086,985.06/1,186,034.07
  6. Step 6: Final answer
    x = 581,015.42

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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.