Home / 909,392.40-1,363,213.80-706,876.20

Finding the Fourth Proportional to 909,392.40, 1,363,213.80 and 706,876.20

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Solution

The fourth proportional to 909,392.40, 1,363,213.80 and 706,876.20 is: 1,059,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,392.40 : 1,363,213.80 = 706,876.20 : x
  2. Step 2: Convert to fraction form
    909,392.40/1,363,213.80 = 706,876.20/x
  3. Step 3: Cross multiply
    909,392.40x = 1,363,213.80 × 706,876.20
  4. Step 4: Simplify right side
    909,392.40x = 963,623,390,731.56
  5. Step 5: Solve for x
    x = 963,623,390,731.56/909,392.40
  6. Step 6: Final answer
    x = 1,059,634.31

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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.