Home / 1,249,859.70-1,724,797.80-676,886.76

Finding the Fourth Proportional to 1,249,859.70, 1,724,797.80 and 676,886.76

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Solution

The fourth proportional to 1,249,859.70, 1,724,797.80 and 676,886.76 is: 934,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,859.70 : 1,724,797.80 = 676,886.76 : x
  2. Step 2: Convert to fraction form
    1,249,859.70/1,724,797.80 = 676,886.76/x
  3. Step 3: Cross multiply
    1,249,859.70x = 1,724,797.80 × 676,886.76
  4. Step 4: Simplify right side
    1,249,859.70x = 1,167,492,794,497.13
  5. Step 5: Solve for x
    x = 1,167,492,794,497.13/1,249,859.70
  6. Step 6: Final answer
    x = 934,099.08

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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.