Home / 1,017,640.20-1,526,681.70-307,649.70

Finding the Fourth Proportional to 1,017,640.20, 1,526,681.70 and 307,649.70

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Solution

The fourth proportional to 1,017,640.20, 1,526,681.70 and 307,649.70 is: 461,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,640.20 : 1,526,681.70 = 307,649.70 : x
  2. Step 2: Convert to fraction form
    1,017,640.20/1,526,681.70 = 307,649.70/x
  3. Step 3: Cross multiply
    1,017,640.20x = 1,526,681.70 × 307,649.70
  4. Step 4: Simplify right side
    1,017,640.20x = 469,683,167,000.49
  5. Step 5: Solve for x
    x = 469,683,167,000.49/1,017,640.20
  6. Step 6: Final answer
    x = 461,541.48

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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.