Home / 1,123,671.66-1,549,632.76-736,346.40

Finding the Fourth Proportional to 1,123,671.66, 1,549,632.76 and 736,346.40

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Solution

The fourth proportional to 1,123,671.66, 1,549,632.76 and 736,346.40 is: 1,015,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,671.66 : 1,549,632.76 = 736,346.40 : x
  2. Step 2: Convert to fraction form
    1,123,671.66/1,549,632.76 = 736,346.40/x
  3. Step 3: Cross multiply
    1,123,671.66x = 1,549,632.76 × 736,346.40
  4. Step 4: Simplify right side
    1,123,671.66x = 1,141,066,509,571.10
  5. Step 5: Solve for x
    x = 1,141,066,509,571.10/1,123,671.66
  6. Step 6: Final answer
    x = 1,015,480.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.