Home / 1,157,112.04-1,728,631.42-748,979.58

Finding the Fourth Proportional to 1,157,112.04, 1,728,631.42 and 748,979.58

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Solution

The fourth proportional to 1,157,112.04, 1,728,631.42 and 748,979.58 is: 1,118,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,112.04 : 1,728,631.42 = 748,979.58 : x
  2. Step 2: Convert to fraction form
    1,157,112.04/1,728,631.42 = 748,979.58/x
  3. Step 3: Cross multiply
    1,157,112.04x = 1,728,631.42 × 748,979.58
  4. Step 4: Simplify right side
    1,157,112.04x = 1,294,709,634,926.40
  5. Step 5: Solve for x
    x = 1,294,709,634,926.40/1,157,112.04
  6. Step 6: Final answer
    x = 1,118,914.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.