Home / 997,189.20-1,495,783.80-938,140.20

Finding the Fourth Proportional to 997,189.20, 1,495,783.80 and 938,140.20

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Solution

The fourth proportional to 997,189.20, 1,495,783.80 and 938,140.20 is: 1,407,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,189.20 : 1,495,783.80 = 938,140.20 : x
  2. Step 2: Convert to fraction form
    997,189.20/1,495,783.80 = 938,140.20/x
  3. Step 3: Cross multiply
    997,189.20x = 1,495,783.80 × 938,140.20
  4. Step 4: Simplify right side
    997,189.20x = 1,403,254,913,288.76
  5. Step 5: Solve for x
    x = 1,403,254,913,288.76/997,189.20
  6. Step 6: Final answer
    x = 1,407,210.30

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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.