Home / 684,643.35-1,025,488.80-684,643.35

Finding the Fourth Proportional to 684,643.35, 1,025,488.80 and 684,643.35

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Solution

The fourth proportional to 684,643.35, 1,025,488.80 and 684,643.35 is: 1,025,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,643.35 : 1,025,488.80 = 684,643.35 : x
  2. Step 2: Convert to fraction form
    684,643.35/1,025,488.80 = 684,643.35/x
  3. Step 3: Cross multiply
    684,643.35x = 1,025,488.80 × 684,643.35
  4. Step 4: Simplify right side
    684,643.35x = 702,094,087,419.48
  5. Step 5: Solve for x
    x = 702,094,087,419.48/684,643.35
  6. Step 6: Final answer
    x = 1,025,488.80

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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.