Home / 1,300,509.02-1,794,661.92-719,697.21

Finding the Fourth Proportional to 1,300,509.02, 1,794,661.92 and 719,697.21

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Solution

The fourth proportional to 1,300,509.02, 1,794,661.92 and 719,697.21 is: 993,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,509.02 : 1,794,661.92 = 719,697.21 : x
  2. Step 2: Convert to fraction form
    1,300,509.02/1,794,661.92 = 719,697.21/x
  3. Step 3: Cross multiply
    1,300,509.02x = 1,794,661.92 × 719,697.21
  4. Step 4: Simplify right side
    1,300,509.02x = 1,291,613,176,717.24
  5. Step 5: Solve for x
    x = 1,291,613,176,717.24/1,300,509.02
  6. Step 6: Final answer
    x = 993,159.72

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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.