Home / 1,095,258.80-1,641,121.80-620,532.40

Finding the Fourth Proportional to 1,095,258.80, 1,641,121.80 and 620,532.40

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Solution

The fourth proportional to 1,095,258.80, 1,641,121.80 and 620,532.40 is: 929,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,258.80 : 1,641,121.80 = 620,532.40 : x
  2. Step 2: Convert to fraction form
    1,095,258.80/1,641,121.80 = 620,532.40/x
  3. Step 3: Cross multiply
    1,095,258.80x = 1,641,121.80 × 620,532.40
  4. Step 4: Simplify right side
    1,095,258.80x = 1,018,369,249,246.32
  5. Step 5: Solve for x
    x = 1,018,369,249,246.32/1,095,258.80
  6. Step 6: Final answer
    x = 929,797.82

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1.5x scale

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.