Home / 1,133,427-1,564,129.26-624,128.16

Finding the Fourth Proportional to 1,133,427, 1,564,129.26 and 624,128.16

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Solution

The fourth proportional to 1,133,427, 1,564,129.26 and 624,128.16 is: 861,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,427 : 1,564,129.26 = 624,128.16 : x
  2. Step 2: Convert to fraction form
    1,133,427/1,564,129.26 = 624,128.16/x
  3. Step 3: Cross multiply
    1,133,427x = 1,564,129.26 × 624,128.16
  4. Step 4: Simplify right side
    1,133,427x = 976,217,117,045.96
  5. Step 5: Solve for x
    x = 976,217,117,045.96/1,133,427
  6. Step 6: Final answer
    x = 861,296.86

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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.