Home / 1,030,810.56-1,544,637.78-431,445.48

Finding the Fourth Proportional to 1,030,810.56, 1,544,637.78 and 431,445.48

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Solution

The fourth proportional to 1,030,810.56, 1,544,637.78 and 431,445.48 is: 646,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,810.56 : 1,544,637.78 = 431,445.48 : x
  2. Step 2: Convert to fraction form
    1,030,810.56/1,544,637.78 = 431,445.48/x
  3. Step 3: Cross multiply
    1,030,810.56x = 1,544,637.78 × 431,445.48
  4. Step 4: Simplify right side
    1,030,810.56x = 666,426,988,418.23
  5. Step 5: Solve for x
    x = 666,426,988,418.23/1,030,810.56
  6. Step 6: Final answer
    x = 646,507.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.