Home / 1,213,490.51-1,674,606.37-662,217.13

Finding the Fourth Proportional to 1,213,490.51, 1,674,606.37 and 662,217.13

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Solution

The fourth proportional to 1,213,490.51, 1,674,606.37 and 662,217.13 is: 913,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,490.51 : 1,674,606.37 = 662,217.13 : x
  2. Step 2: Convert to fraction form
    1,213,490.51/1,674,606.37 = 662,217.13/x
  3. Step 3: Cross multiply
    1,213,490.51x = 1,674,606.37 × 662,217.13
  4. Step 4: Simplify right side
    1,213,490.51x = 1,108,953,018,007.58
  5. Step 5: Solve for x
    x = 1,108,953,018,007.58/1,213,490.51
  6. Step 6: Final answer
    x = 913,853.88

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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.