Home / 1,088,190.60-1,631,702.70-456,390.60

Finding the Fourth Proportional to 1,088,190.60, 1,631,702.70 and 456,390.60

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Solution

The fourth proportional to 1,088,190.60, 1,631,702.70 and 456,390.60 is: 684,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,190.60 : 1,631,702.70 = 456,390.60 : x
  2. Step 2: Convert to fraction form
    1,088,190.60/1,631,702.70 = 456,390.60/x
  3. Step 3: Cross multiply
    1,088,190.60x = 1,631,702.70 × 456,390.60
  4. Step 4: Simplify right side
    1,088,190.60x = 744,693,774,274.62
  5. Step 5: Solve for x
    x = 744,693,774,274.62/1,088,190.60
  6. Step 6: Final answer
    x = 684,341.30

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Double scale
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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.