Home / 1,013,699.32-1,398,896.94-561,015.16

Finding the Fourth Proportional to 1,013,699.32, 1,398,896.94 and 561,015.16

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Solution

The fourth proportional to 1,013,699.32, 1,398,896.94 and 561,015.16 is: 774,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,699.32 : 1,398,896.94 = 561,015.16 : x
  2. Step 2: Convert to fraction form
    1,013,699.32/1,398,896.94 = 561,015.16/x
  3. Step 3: Cross multiply
    1,013,699.32x = 1,398,896.94 × 561,015.16
  4. Step 4: Simplify right side
    1,013,699.32x = 784,802,390,617.61
  5. Step 5: Solve for x
    x = 784,802,390,617.61/1,013,699.32
  6. Step 6: Final answer
    x = 774,196.43

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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.