Home / 1,370,856.96-1,891,841.70-759,009.69

Finding the Fourth Proportional to 1,370,856.96, 1,891,841.70 and 759,009.69

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Solution

The fourth proportional to 1,370,856.96, 1,891,841.70 and 759,009.69 is: 1,047,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,856.96 : 1,891,841.70 = 759,009.69 : x
  2. Step 2: Convert to fraction form
    1,370,856.96/1,891,841.70 = 759,009.69/x
  3. Step 3: Cross multiply
    1,370,856.96x = 1,891,841.70 × 759,009.69
  4. Step 4: Simplify right side
    1,370,856.96x = 1,435,926,182,246.07
  5. Step 5: Solve for x
    x = 1,435,926,182,246.07/1,370,856.96
  6. Step 6: Final answer
    x = 1,047,466.09

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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.