Home / 1,492,421.72-2,059,548.92-847,877.28

Finding the Fourth Proportional to 1,492,421.72, 2,059,548.92 and 847,877.28

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Solution

The fourth proportional to 1,492,421.72, 2,059,548.92 and 847,877.28 is: 1,170,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,421.72 : 2,059,548.92 = 847,877.28 : x
  2. Step 2: Convert to fraction form
    1,492,421.72/2,059,548.92 = 847,877.28/x
  3. Step 3: Cross multiply
    1,492,421.72x = 2,059,548.92 × 847,877.28
  4. Step 4: Simplify right side
    1,492,421.72x = 1,746,244,736,316.54
  5. Step 5: Solve for x
    x = 1,746,244,736,316.54/1,492,421.72
  6. Step 6: Final answer
    x = 1,170,074.59

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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.