Home / 1,249,918.70-1,724,879.22-676,945.76

Finding the Fourth Proportional to 1,249,918.70, 1,724,879.22 and 676,945.76

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Solution

The fourth proportional to 1,249,918.70, 1,724,879.22 and 676,945.76 is: 934,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,918.70 : 1,724,879.22 = 676,945.76 : x
  2. Step 2: Convert to fraction form
    1,249,918.70/1,724,879.22 = 676,945.76/x
  3. Step 3: Cross multiply
    1,249,918.70x = 1,724,879.22 × 676,945.76
  4. Step 4: Simplify right side
    1,249,918.70x = 1,167,649,674,491.11
  5. Step 5: Solve for x
    x = 1,167,649,674,491.11/1,249,918.70
  6. Step 6: Final answer
    x = 934,180.50

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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.