Home / 1,645,354.08-2,270,756.16-1,000,818.72

Finding the Fourth Proportional to 1,645,354.08, 2,270,756.16 and 1,000,818.72

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Solution

The fourth proportional to 1,645,354.08, 2,270,756.16 and 1,000,818.72 is: 1,381,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,354.08 : 2,270,756.16 = 1,000,818.72 : x
  2. Step 2: Convert to fraction form
    1,645,354.08/2,270,756.16 = 1,000,818.72/x
  3. Step 3: Cross multiply
    1,645,354.08x = 2,270,756.16 × 1,000,818.72
  4. Step 4: Simplify right side
    1,645,354.08x = 2,272,615,273,483.32
  5. Step 5: Solve for x
    x = 2,272,615,273,483.32/1,645,354.08
  6. Step 6: Final answer
    x = 1,381,231.74

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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.