Home / 1,387,509.64-2,080,001.40-534,036.40

Finding the Fourth Proportional to 1,387,509.64, 2,080,001.40 and 534,036.40

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Solution

The fourth proportional to 1,387,509.64, 2,080,001.40 and 534,036.40 is: 800,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,509.64 : 2,080,001.40 = 534,036.40 : x
  2. Step 2: Convert to fraction form
    1,387,509.64/2,080,001.40 = 534,036.40/x
  3. Step 3: Cross multiply
    1,387,509.64x = 2,080,001.40 × 534,036.40
  4. Step 4: Simplify right side
    1,387,509.64x = 1,110,796,459,650.96
  5. Step 5: Solve for x
    x = 1,110,796,459,650.96/1,387,509.64
  6. Step 6: Final answer
    x = 800,568.46

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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.