Home / 1,306,421.64-1,959,128.64-507,598.02

Finding the Fourth Proportional to 1,306,421.64, 1,959,128.64 and 507,598.02

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Solution

The fourth proportional to 1,306,421.64, 1,959,128.64 and 507,598.02 is: 761,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,421.64 : 1,959,128.64 = 507,598.02 : x
  2. Step 2: Convert to fraction form
    1,306,421.64/1,959,128.64 = 507,598.02/x
  3. Step 3: Cross multiply
    1,306,421.64x = 1,959,128.64 × 507,598.02
  4. Step 4: Simplify right side
    1,306,421.64x = 994,449,818,589.29
  5. Step 5: Solve for x
    x = 994,449,818,589.29/1,306,421.64
  6. Step 6: Final answer
    x = 761,201.28

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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.