Home / 1,420,381.50-2,130,871.48-460,762.17

Finding the Fourth Proportional to 1,420,381.50, 2,130,871.48 and 460,762.17

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Solution

The fourth proportional to 1,420,381.50, 2,130,871.48 and 460,762.17 is: 691,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,381.50 : 2,130,871.48 = 460,762.17 : x
  2. Step 2: Convert to fraction form
    1,420,381.50/2,130,871.48 = 460,762.17/x
  3. Step 3: Cross multiply
    1,420,381.50x = 2,130,871.48 × 460,762.17
  4. Step 4: Simplify right side
    1,420,381.50x = 981,824,969,095.46
  5. Step 5: Solve for x
    x = 981,824,969,095.46/1,420,381.50
  6. Step 6: Final answer
    x = 691,240.32

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Double scale
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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.