Home / 704,580.80-1,056,871.20-692,916.80

Finding the Fourth Proportional to 704,580.80, 1,056,871.20 and 692,916.80

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Solution

The fourth proportional to 704,580.80, 1,056,871.20 and 692,916.80 is: 1,039,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,580.80 : 1,056,871.20 = 692,916.80 : x
  2. Step 2: Convert to fraction form
    704,580.80/1,056,871.20 = 692,916.80/x
  3. Step 3: Cross multiply
    704,580.80x = 1,056,871.20 × 692,916.80
  4. Step 4: Simplify right side
    704,580.80x = 732,323,809,916.16
  5. Step 5: Solve for x
    x = 732,323,809,916.16/704,580.80
  6. Step 6: Final answer
    x = 1,039,375.20

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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.