Home / 988,192.16-1,363,204.32-625,004.36

Finding the Fourth Proportional to 988,192.16, 1,363,204.32 and 625,004.36

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Solution

The fourth proportional to 988,192.16, 1,363,204.32 and 625,004.36 is: 862,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,192.16 : 1,363,204.32 = 625,004.36 : x
  2. Step 2: Convert to fraction form
    988,192.16/1,363,204.32 = 625,004.36/x
  3. Step 3: Cross multiply
    988,192.16x = 1,363,204.32 × 625,004.36
  4. Step 4: Simplify right side
    988,192.16x = 852,008,643,570.84
  5. Step 5: Solve for x
    x = 852,008,643,570.84/988,192.16
  6. Step 6: Final answer
    x = 862,189.24

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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.