Home / 1,459,721.72-2,014,412.04-815,136.68

Finding the Fourth Proportional to 1,459,721.72, 2,014,412.04 and 815,136.68

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Solution

The fourth proportional to 1,459,721.72, 2,014,412.04 and 815,136.68 is: 1,124,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,721.72 : 2,014,412.04 = 815,136.68 : x
  2. Step 2: Convert to fraction form
    1,459,721.72/2,014,412.04 = 815,136.68/x
  3. Step 3: Cross multiply
    1,459,721.72x = 2,014,412.04 × 815,136.68
  4. Step 4: Simplify right side
    1,459,721.72x = 1,642,021,142,437.63
  5. Step 5: Solve for x
    x = 1,642,021,142,437.63/1,459,721.72
  6. Step 6: Final answer
    x = 1,124,886.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.