Home / 1,306,256.20-1,960,130.50-507,433.80

Finding the Fourth Proportional to 1,306,256.20, 1,960,130.50 and 507,433.80

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Solution

The fourth proportional to 1,306,256.20, 1,960,130.50 and 507,433.80 is: 761,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,256.20 : 1,960,130.50 = 507,433.80 : x
  2. Step 2: Convert to fraction form
    1,306,256.20/1,960,130.50 = 507,433.80/x
  3. Step 3: Cross multiply
    1,306,256.20x = 1,960,130.50 × 507,433.80
  4. Step 4: Simplify right side
    1,306,256.20x = 994,636,468,110.90
  5. Step 5: Solve for x
    x = 994,636,468,110.90/1,306,256.20
  6. Step 6: Final answer
    x = 761,440.57

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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.