Home / 1,136,646.46-1,569,162.54-830,378.98

Finding the Fourth Proportional to 1,136,646.46, 1,569,162.54 and 830,378.98

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Solution

The fourth proportional to 1,136,646.46, 1,569,162.54 and 830,378.98 is: 1,146,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,646.46 : 1,569,162.54 = 830,378.98 : x
  2. Step 2: Convert to fraction form
    1,136,646.46/1,569,162.54 = 830,378.98/x
  3. Step 3: Cross multiply
    1,136,646.46x = 1,569,162.54 × 830,378.98
  4. Step 4: Simplify right side
    1,136,646.46x = 1,302,999,589,419.41
  5. Step 5: Solve for x
    x = 1,302,999,589,419.41/1,136,646.46
  6. Step 6: Final answer
    x = 1,146,354.33

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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.