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Finding the Fourth Proportional to 1,495,155, 2,243,665.62 and 608,691

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Solution

The fourth proportional to 1,495,155, 2,243,665.62 and 608,691 is: 913,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,155 : 2,243,665.62 = 608,691 : x
  2. Step 2: Convert to fraction form
    1,495,155/2,243,665.62 = 608,691/x
  3. Step 3: Cross multiply
    1,495,155x = 2,243,665.62 × 608,691
  4. Step 4: Simplify right side
    1,495,155x = 1,365,699,069,903.42
  5. Step 5: Solve for x
    x = 1,365,699,069,903.42/1,495,155
  6. Step 6: Final answer
    x = 913,416.38

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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.