Home / 1,370,398.59-1,890,715.30-797,328.05

Finding the Fourth Proportional to 1,370,398.59, 1,890,715.30 and 797,328.05

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Solution

The fourth proportional to 1,370,398.59, 1,890,715.30 and 797,328.05 is: 1,100,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,398.59 : 1,890,715.30 = 797,328.05 : x
  2. Step 2: Convert to fraction form
    1,370,398.59/1,890,715.30 = 797,328.05/x
  3. Step 3: Cross multiply
    1,370,398.59x = 1,890,715.30 × 797,328.05
  4. Step 4: Simplify right side
    1,370,398.59x = 1,507,520,331,807.27
  5. Step 5: Solve for x
    x = 1,507,520,331,807.27/1,370,398.59
  6. Step 6: Final answer
    x = 1,100,059.75

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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.