Home / 1,020,008.80-1,528,980.18-513,037.72

Finding the Fourth Proportional to 1,020,008.80, 1,528,980.18 and 513,037.72

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Solution

The fourth proportional to 1,020,008.80, 1,528,980.18 and 513,037.72 is: 769,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,008.80 : 1,528,980.18 = 513,037.72 : x
  2. Step 2: Convert to fraction form
    1,020,008.80/1,528,980.18 = 513,037.72/x
  3. Step 3: Cross multiply
    1,020,008.80x = 1,528,980.18 × 513,037.72
  4. Step 4: Simplify right side
    1,020,008.80x = 784,424,505,472.39
  5. Step 5: Solve for x
    x = 784,424,505,472.39/1,020,008.80
  6. Step 6: Final answer
    x = 769,037.00

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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.