Home / 1,479,009.02-2,218,758.80-519,215.51

Finding the Fourth Proportional to 1,479,009.02, 2,218,758.80 and 519,215.51

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Solution

The fourth proportional to 1,479,009.02, 2,218,758.80 and 519,215.51 is: 778,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,009.02 : 2,218,758.80 = 519,215.51 : x
  2. Step 2: Convert to fraction form
    1,479,009.02/2,218,758.80 = 519,215.51/x
  3. Step 3: Cross multiply
    1,479,009.02x = 2,218,758.80 × 519,215.51
  4. Step 4: Simplify right side
    1,479,009.02x = 1,152,013,984,859.81
  5. Step 5: Solve for x
    x = 1,152,013,984,859.81/1,479,009.02
  6. Step 6: Final answer
    x = 778,909.37

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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.