Home / 1,249,335.70-1,724,083.79-676,375.72

Finding the Fourth Proportional to 1,249,335.70, 1,724,083.79 and 676,375.72

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Solution

The fourth proportional to 1,249,335.70, 1,724,083.79 and 676,375.72 is: 933,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,335.70 : 1,724,083.79 = 676,375.72 : x
  2. Step 2: Convert to fraction form
    1,249,335.70/1,724,083.79 = 676,375.72/x
  3. Step 3: Cross multiply
    1,249,335.70x = 1,724,083.79 × 676,375.72
  4. Step 4: Simplify right side
    1,249,335.70x = 1,166,128,407,109.49
  5. Step 5: Solve for x
    x = 1,166,128,407,109.49/1,249,335.70
  6. Step 6: Final answer
    x = 933,398.77

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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.