Home / 1,039,907.70-1,558,828.20-723,700.32

Finding the Fourth Proportional to 1,039,907.70, 1,558,828.20 and 723,700.32

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Solution

The fourth proportional to 1,039,907.70, 1,558,828.20 and 723,700.32 is: 1,084,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,907.70 : 1,558,828.20 = 723,700.32 : x
  2. Step 2: Convert to fraction form
    1,039,907.70/1,558,828.20 = 723,700.32/x
  3. Step 3: Cross multiply
    1,039,907.70x = 1,558,828.20 × 723,700.32
  4. Step 4: Simplify right side
    1,039,907.70x = 1,128,124,467,165.02
  5. Step 5: Solve for x
    x = 1,128,124,467,165.02/1,039,907.70
  6. Step 6: Final answer
    x = 1,084,831.34

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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.