Home / 1,020,197.80-1,528,547.10-486,569.80

Finding the Fourth Proportional to 1,020,197.80, 1,528,547.10 and 486,569.80

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Solution

The fourth proportional to 1,020,197.80, 1,528,547.10 and 486,569.80 is: 729,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,197.80 : 1,528,547.10 = 486,569.80 : x
  2. Step 2: Convert to fraction form
    1,020,197.80/1,528,547.10 = 486,569.80/x
  3. Step 3: Cross multiply
    1,020,197.80x = 1,528,547.10 × 486,569.80
  4. Step 4: Simplify right side
    1,020,197.80x = 743,744,856,737.58
  5. Step 5: Solve for x
    x = 743,744,856,737.58/1,020,197.80
  6. Step 6: Final answer
    x = 729,020.25

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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.