Home / 1,770,308.64-2,645,385-1,329,253.05

Finding the Fourth Proportional to 1,770,308.64, 2,645,385 and 1,329,253.05

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Solution

The fourth proportional to 1,770,308.64, 2,645,385 and 1,329,253.05 is: 1,986,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,308.64 : 2,645,385 = 1,329,253.05 : x
  2. Step 2: Convert to fraction form
    1,770,308.64/2,645,385 = 1,329,253.05/x
  3. Step 3: Cross multiply
    1,770,308.64x = 2,645,385 × 1,329,253.05
  4. Step 4: Simplify right side
    1,770,308.64x = 3,516,386,079,674.25
  5. Step 5: Solve for x
    x = 3,516,386,079,674.25/1,770,308.64
  6. Step 6: Final answer
    x = 1,986,312.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.