Home / 1,511,369.72-2,085,352.47-1,267,341.53

Finding the Fourth Proportional to 1,511,369.72, 2,085,352.47 and 1,267,341.53

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Solution

The fourth proportional to 1,511,369.72, 2,085,352.47 and 1,267,341.53 is: 1,748,648.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,369.72 : 2,085,352.47 = 1,267,341.53 : x
  2. Step 2: Convert to fraction form
    1,511,369.72/2,085,352.47 = 1,267,341.53/x
  3. Step 3: Cross multiply
    1,511,369.72x = 2,085,352.47 × 1,267,341.53
  4. Step 4: Simplify right side
    1,511,369.72x = 2,642,853,779,492.32
  5. Step 5: Solve for x
    x = 2,642,853,779,492.32/1,511,369.72
  6. Step 6: Final answer
    x = 1,748,648.09

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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.