Home / 1,507,320.61-2,080,077.21-819,003.01

Finding the Fourth Proportional to 1,507,320.61, 2,080,077.21 and 819,003.01

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Solution

The fourth proportional to 1,507,320.61, 2,080,077.21 and 819,003.01 is: 1,130,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,320.61 : 2,080,077.21 = 819,003.01 : x
  2. Step 2: Convert to fraction form
    1,507,320.61/2,080,077.21 = 819,003.01/x
  3. Step 3: Cross multiply
    1,507,320.61x = 2,080,077.21 × 819,003.01
  4. Step 4: Simplify right side
    1,507,320.61x = 1,703,589,493,186.72
  5. Step 5: Solve for x
    x = 1,703,589,493,186.72/1,507,320.61
  6. Step 6: Final answer
    x = 1,130,210.44

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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.