Home / 1,186,675.48-1,780,122.54-387,961.24

Finding the Fourth Proportional to 1,186,675.48, 1,780,122.54 and 387,961.24

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Solution

The fourth proportional to 1,186,675.48, 1,780,122.54 and 387,961.24 is: 581,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,675.48 : 1,780,122.54 = 387,961.24 : x
  2. Step 2: Convert to fraction form
    1,186,675.48/1,780,122.54 = 387,961.24/x
  3. Step 3: Cross multiply
    1,186,675.48x = 1,780,122.54 × 387,961.24
  4. Step 4: Simplify right side
    1,186,675.48x = 690,618,547,970.35
  5. Step 5: Solve for x
    x = 690,618,547,970.35/1,186,675.48
  6. Step 6: Final answer
    x = 581,977.60

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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.