Home / 1,377,332.56-2,066,117.88-380,060.56

Finding the Fourth Proportional to 1,377,332.56, 2,066,117.88 and 380,060.56

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Solution

The fourth proportional to 1,377,332.56, 2,066,117.88 and 380,060.56 is: 570,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,332.56 : 2,066,117.88 = 380,060.56 : x
  2. Step 2: Convert to fraction form
    1,377,332.56/2,066,117.88 = 380,060.56/x
  3. Step 3: Cross multiply
    1,377,332.56x = 2,066,117.88 × 380,060.56
  4. Step 4: Simplify right side
    1,377,332.56x = 785,249,918,498.81
  5. Step 5: Solve for x
    x = 785,249,918,498.81/1,377,332.56
  6. Step 6: Final answer
    x = 570,123.69

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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.