Home / 1,426,970.71-1,969,281.08-853,900.57

Finding the Fourth Proportional to 1,426,970.71, 1,969,281.08 and 853,900.57

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Solution

The fourth proportional to 1,426,970.71, 1,969,281.08 and 853,900.57 is: 1,178,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,970.71 : 1,969,281.08 = 853,900.57 : x
  2. Step 2: Convert to fraction form
    1,426,970.71/1,969,281.08 = 853,900.57/x
  3. Step 3: Cross multiply
    1,426,970.71x = 1,969,281.08 × 853,900.57
  4. Step 4: Simplify right side
    1,426,970.71x = 1,681,570,236,702.22
  5. Step 5: Solve for x
    x = 1,681,570,236,702.22/1,426,970.71
  6. Step 6: Final answer
    x = 1,178,419.59

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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.