Home / 1,164,384.81-1,606,576.48-978,821.98

Finding the Fourth Proportional to 1,164,384.81, 1,606,576.48 and 978,821.98

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Solution

The fourth proportional to 1,164,384.81, 1,606,576.48 and 978,821.98 is: 1,350,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,384.81 : 1,606,576.48 = 978,821.98 : x
  2. Step 2: Convert to fraction form
    1,164,384.81/1,606,576.48 = 978,821.98/x
  3. Step 3: Cross multiply
    1,164,384.81x = 1,606,576.48 × 978,821.98
  4. Step 4: Simplify right side
    1,164,384.81x = 1,572,552,364,711.53
  5. Step 5: Solve for x
    x = 1,572,552,364,711.53/1,164,384.81
  6. Step 6: Final answer
    x = 1,350,543.52

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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.