Home / 1,230,430.30-1,845,645.45-876,136.30

Finding the Fourth Proportional to 1,230,430.30, 1,845,645.45 and 876,136.30

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Solution

The fourth proportional to 1,230,430.30, 1,845,645.45 and 876,136.30 is: 1,314,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,430.30 : 1,845,645.45 = 876,136.30 : x
  2. Step 2: Convert to fraction form
    1,230,430.30/1,845,645.45 = 876,136.30/x
  3. Step 3: Cross multiply
    1,230,430.30x = 1,845,645.45 × 876,136.30
  4. Step 4: Simplify right side
    1,230,430.30x = 1,617,036,975,674.84
  5. Step 5: Solve for x
    x = 1,617,036,975,674.84/1,230,430.30
  6. Step 6: Final answer
    x = 1,314,204.45

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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.