Home / 1,658,809.76-2,488,609.50-536,878.76

Finding the Fourth Proportional to 1,658,809.76, 2,488,609.50 and 536,878.76

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Solution

The fourth proportional to 1,658,809.76, 2,488,609.50 and 536,878.76 is: 805,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,809.76 : 2,488,609.50 = 536,878.76 : x
  2. Step 2: Convert to fraction form
    1,658,809.76/2,488,609.50 = 536,878.76/x
  3. Step 3: Cross multiply
    1,658,809.76x = 2,488,609.50 × 536,878.76
  4. Step 4: Simplify right side
    1,658,809.76x = 1,336,081,582,484.22
  5. Step 5: Solve for x
    x = 1,336,081,582,484.22/1,658,809.76
  6. Step 6: Final answer
    x = 805,445.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.