Home / 1,134,428.80-1,702,299.30-424,528.60

Finding the Fourth Proportional to 1,134,428.80, 1,702,299.30 and 424,528.60

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Solution

The fourth proportional to 1,134,428.80, 1,702,299.30 and 424,528.60 is: 637,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,428.80 : 1,702,299.30 = 424,528.60 : x
  2. Step 2: Convert to fraction form
    1,134,428.80/1,702,299.30 = 424,528.60/x
  3. Step 3: Cross multiply
    1,134,428.80x = 1,702,299.30 × 424,528.60
  4. Step 4: Simplify right side
    1,134,428.80x = 722,674,738,609.98
  5. Step 5: Solve for x
    x = 722,674,738,609.98/1,134,428.80
  6. Step 6: Final answer
    x = 637,038.43

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1.5x scale

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.