Home / 1,095,574.80-1,643,490.20-347,696.40

Finding the Fourth Proportional to 1,095,574.80, 1,643,490.20 and 347,696.40

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Solution

The fourth proportional to 1,095,574.80, 1,643,490.20 and 347,696.40 is: 521,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,574.80 : 1,643,490.20 = 347,696.40 : x
  2. Step 2: Convert to fraction form
    1,095,574.80/1,643,490.20 = 347,696.40/x
  3. Step 3: Cross multiply
    1,095,574.80x = 1,643,490.20 × 347,696.40
  4. Step 4: Simplify right side
    1,095,574.80x = 571,435,625,975.28
  5. Step 5: Solve for x
    x = 571,435,625,975.28/1,095,574.80
  6. Step 6: Final answer
    x = 521,585.22

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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.