Home / 1,021,145.86-1,531,885.01-301,560.35

Finding the Fourth Proportional to 1,021,145.86, 1,531,885.01 and 301,560.35

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Solution

The fourth proportional to 1,021,145.86, 1,531,885.01 and 301,560.35 is: 452,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,145.86 : 1,531,885.01 = 301,560.35 : x
  2. Step 2: Convert to fraction form
    1,021,145.86/1,531,885.01 = 301,560.35/x
  3. Step 3: Cross multiply
    1,021,145.86x = 1,531,885.01 × 301,560.35
  4. Step 4: Simplify right side
    1,021,145.86x = 461,955,772,869.83
  5. Step 5: Solve for x
    x = 461,955,772,869.83/1,021,145.86
  6. Step 6: Final answer
    x = 452,389.61

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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.