Home / 1,326,343.48-1,989,512.73-415,595.67

Finding the Fourth Proportional to 1,326,343.48, 1,989,512.73 and 415,595.67

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Solution

The fourth proportional to 1,326,343.48, 1,989,512.73 and 415,595.67 is: 623,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,343.48 : 1,989,512.73 = 415,595.67 : x
  2. Step 2: Convert to fraction form
    1,326,343.48/1,989,512.73 = 415,595.67/x
  3. Step 3: Cross multiply
    1,326,343.48x = 1,989,512.73 × 415,595.67
  4. Step 4: Simplify right side
    1,326,343.48x = 826,832,863,972.34
  5. Step 5: Solve for x
    x = 826,832,863,972.34/1,326,343.48
  6. Step 6: Final answer
    x = 623,392.72

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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.