Home / 877,643.10-1,314,496.35-720,179.10

Finding the Fourth Proportional to 877,643.10, 1,314,496.35 and 720,179.10

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Solution

The fourth proportional to 877,643.10, 1,314,496.35 and 720,179.10 is: 1,078,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,643.10 : 1,314,496.35 = 720,179.10 : x
  2. Step 2: Convert to fraction form
    877,643.10/1,314,496.35 = 720,179.10/x
  3. Step 3: Cross multiply
    877,643.10x = 1,314,496.35 × 720,179.10
  4. Step 4: Simplify right side
    877,643.10x = 946,672,798,296.29
  5. Step 5: Solve for x
    x = 946,672,798,296.29/877,643.10
  6. Step 6: Final answer
    x = 1,078,653.50

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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.