Home / 1,072,412.31-1,480,060.31-619,703.31

Finding the Fourth Proportional to 1,072,412.31, 1,480,060.31 and 619,703.31

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Solution

The fourth proportional to 1,072,412.31, 1,480,060.31 and 619,703.31 is: 855,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,412.31 : 1,480,060.31 = 619,703.31 : x
  2. Step 2: Convert to fraction form
    1,072,412.31/1,480,060.31 = 619,703.31/x
  3. Step 3: Cross multiply
    1,072,412.31x = 1,480,060.31 × 619,703.31
  4. Step 4: Simplify right side
    1,072,412.31x = 917,198,273,106.63
  5. Step 5: Solve for x
    x = 917,198,273,106.63/1,072,412.31
  6. Step 6: Final answer
    x = 855,266.45

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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.