Home / 1,057,243.50-1,458,444.69-649,437.21

Finding the Fourth Proportional to 1,057,243.50, 1,458,444.69 and 649,437.21

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Solution

The fourth proportional to 1,057,243.50, 1,458,444.69 and 649,437.21 is: 895,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,243.50 : 1,458,444.69 = 649,437.21 : x
  2. Step 2: Convert to fraction form
    1,057,243.50/1,458,444.69 = 649,437.21/x
  3. Step 3: Cross multiply
    1,057,243.50x = 1,458,444.69 × 649,437.21
  4. Step 4: Simplify right side
    1,057,243.50x = 947,168,250,412.92
  5. Step 5: Solve for x
    x = 947,168,250,412.92/1,057,243.50
  6. Step 6: Final answer
    x = 895,884.68

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Double scale
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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.