Home / 1,578,639.60-2,367,959.40-692,175.60

Finding the Fourth Proportional to 1,578,639.60, 2,367,959.40 and 692,175.60

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Solution

The fourth proportional to 1,578,639.60, 2,367,959.40 and 692,175.60 is: 1,038,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,639.60 : 2,367,959.40 = 692,175.60 : x
  2. Step 2: Convert to fraction form
    1,578,639.60/2,367,959.40 = 692,175.60/x
  3. Step 3: Cross multiply
    1,578,639.60x = 2,367,959.40 × 692,175.60
  4. Step 4: Simplify right side
    1,578,639.60x = 1,639,043,718,470.64
  5. Step 5: Solve for x
    x = 1,639,043,718,470.64/1,578,639.60
  6. Step 6: Final answer
    x = 1,038,263.40

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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.