Home / 1,157,148.50-1,735,836.89-398,890.08

Finding the Fourth Proportional to 1,157,148.50, 1,735,836.89 and 398,890.08

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Solution

The fourth proportional to 1,157,148.50, 1,735,836.89 and 398,890.08 is: 598,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,148.50 : 1,735,836.89 = 398,890.08 : x
  2. Step 2: Convert to fraction form
    1,157,148.50/1,735,836.89 = 398,890.08/x
  3. Step 3: Cross multiply
    1,157,148.50x = 1,735,836.89 × 398,890.08
  4. Step 4: Simplify right side
    1,157,148.50x = 692,408,113,924.60
  5. Step 5: Solve for x
    x = 692,408,113,924.60/1,157,148.50
  6. Step 6: Final answer
    x = 598,374.47

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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.