Home / 1,043,055.80-1,564,583.70-378,121.40

Finding the Fourth Proportional to 1,043,055.80, 1,564,583.70 and 378,121.40

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Solution

The fourth proportional to 1,043,055.80, 1,564,583.70 and 378,121.40 is: 567,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,055.80 : 1,564,583.70 = 378,121.40 : x
  2. Step 2: Convert to fraction form
    1,043,055.80/1,564,583.70 = 378,121.40/x
  3. Step 3: Cross multiply
    1,043,055.80x = 1,564,583.70 × 378,121.40
  4. Step 4: Simplify right side
    1,043,055.80x = 591,602,579,061.18
  5. Step 5: Solve for x
    x = 591,602,579,061.18/1,043,055.80
  6. Step 6: Final answer
    x = 567,182.10

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Double scale
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Similar ratio
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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.