Home / 1,145,468.03-1,580,694.71-686,835.74

Finding the Fourth Proportional to 1,145,468.03, 1,580,694.71 and 686,835.74

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Solution

The fourth proportional to 1,145,468.03, 1,580,694.71 and 686,835.74 is: 947,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,468.03 : 1,580,694.71 = 686,835.74 : x
  2. Step 2: Convert to fraction form
    1,145,468.03/1,580,694.71 = 686,835.74/x
  3. Step 3: Cross multiply
    1,145,468.03x = 1,580,694.71 × 686,835.74
  4. Step 4: Simplify right side
    1,145,468.03x = 1,085,677,621,374.49
  5. Step 5: Solve for x
    x = 1,085,677,621,374.49/1,145,468.03
  6. Step 6: Final answer
    x = 947,802.64

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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.