Home / 1,249,846.74-1,724,786.89-676,889.19

Finding the Fourth Proportional to 1,249,846.74, 1,724,786.89 and 676,889.19

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Solution

The fourth proportional to 1,249,846.74, 1,724,786.89 and 676,889.19 is: 934,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,846.74 : 1,724,786.89 = 676,889.19 : x
  2. Step 2: Convert to fraction form
    1,249,846.74/1,724,786.89 = 676,889.19/x
  3. Step 3: Cross multiply
    1,249,846.74x = 1,724,786.89 × 676,889.19
  4. Step 4: Simplify right side
    1,249,846.74x = 1,167,489,599,202.50
  5. Step 5: Solve for x
    x = 1,167,489,599,202.50/1,249,846.74
  6. Step 6: Final answer
    x = 934,106.21

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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.