Home / 1,377,708.13-2,066,601.08-380,436.13

Finding the Fourth Proportional to 1,377,708.13, 2,066,601.08 and 380,436.13

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Solution

The fourth proportional to 1,377,708.13, 2,066,601.08 and 380,436.13 is: 570,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,708.13 : 2,066,601.08 = 380,436.13 : x
  2. Step 2: Convert to fraction form
    1,377,708.13/2,066,601.08 = 380,436.13/x
  3. Step 3: Cross multiply
    1,377,708.13x = 2,066,601.08 × 380,436.13
  4. Step 4: Simplify right side
    1,377,708.13x = 786,209,717,129.02
  5. Step 5: Solve for x
    x = 786,209,717,129.02/1,377,708.13
  6. Step 6: Final answer
    x = 570,664.93

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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.