Home / 1,248,420.34-1,722,820-675,460.50

Finding the Fourth Proportional to 1,248,420.34, 1,722,820 and 675,460.50

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Solution

The fourth proportional to 1,248,420.34, 1,722,820 and 675,460.50 is: 932,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,420.34 : 1,722,820 = 675,460.50 : x
  2. Step 2: Convert to fraction form
    1,248,420.34/1,722,820 = 675,460.50/x
  3. Step 3: Cross multiply
    1,248,420.34x = 1,722,820 × 675,460.50
  4. Step 4: Simplify right side
    1,248,420.34x = 1,163,696,858,610
  5. Step 5: Solve for x
    x = 1,163,696,858,610/1,248,420.34
  6. Step 6: Final answer
    x = 932,135.45

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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.