Home / 1,118,220.48-1,543,103.52-608,911.68

Finding the Fourth Proportional to 1,118,220.48, 1,543,103.52 and 608,911.68

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Solution

The fourth proportional to 1,118,220.48, 1,543,103.52 and 608,911.68 is: 840,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,220.48 : 1,543,103.52 = 608,911.68 : x
  2. Step 2: Convert to fraction form
    1,118,220.48/1,543,103.52 = 608,911.68/x
  3. Step 3: Cross multiply
    1,118,220.48x = 1,543,103.52 × 608,911.68
  4. Step 4: Simplify right side
    1,118,220.48x = 939,613,756,777.11
  5. Step 5: Solve for x
    x = 939,613,756,777.11/1,118,220.48
  6. Step 6: Final answer
    x = 840,275.93

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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.