Home / 1,020,327.72-1,531,083.02-514,928.22

Finding the Fourth Proportional to 1,020,327.72, 1,531,083.02 and 514,928.22

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Solution

The fourth proportional to 1,020,327.72, 1,531,083.02 and 514,928.22 is: 772,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,327.72 : 1,531,083.02 = 514,928.22 : x
  2. Step 2: Convert to fraction form
    1,020,327.72/1,531,083.02 = 514,928.22/x
  3. Step 3: Cross multiply
    1,020,327.72x = 1,531,083.02 × 514,928.22
  4. Step 4: Simplify right side
    1,020,327.72x = 788,397,851,586.18
  5. Step 5: Solve for x
    x = 788,397,851,586.18/1,020,327.72
  6. Step 6: Final answer
    x = 772,690.81

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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.