Home / 1,135,458-1,703,187.27-461,905.74

Finding the Fourth Proportional to 1,135,458, 1,703,187.27 and 461,905.74

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Solution

The fourth proportional to 1,135,458, 1,703,187.27 and 461,905.74 is: 692,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,458 : 1,703,187.27 = 461,905.74 : x
  2. Step 2: Convert to fraction form
    1,135,458/1,703,187.27 = 461,905.74/x
  3. Step 3: Cross multiply
    1,135,458x = 1,703,187.27 × 461,905.74
  4. Step 4: Simplify right side
    1,135,458x = 786,711,976,307.93
  5. Step 5: Solve for x
    x = 786,711,976,307.93/1,135,458
  6. Step 6: Final answer
    x = 692,858.72

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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.