Home / 1,405,529.76-1,939,632.32-760,950.40

Finding the Fourth Proportional to 1,405,529.76, 1,939,632.32 and 760,950.40

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Solution

The fourth proportional to 1,405,529.76, 1,939,632.32 and 760,950.40 is: 1,050,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,529.76 : 1,939,632.32 = 760,950.40 : x
  2. Step 2: Convert to fraction form
    1,405,529.76/1,939,632.32 = 760,950.40/x
  3. Step 3: Cross multiply
    1,405,529.76x = 1,939,632.32 × 760,950.40
  4. Step 4: Simplify right side
    1,405,529.76x = 1,475,963,989,756.93
  5. Step 5: Solve for x
    x = 1,475,963,989,756.93/1,405,529.76
  6. Step 6: Final answer
    x = 1,050,112.23

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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.