Home / 970,135.80-1,455,203.70-926,590.20

Finding the Fourth Proportional to 970,135.80, 1,455,203.70 and 926,590.20

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Solution

The fourth proportional to 970,135.80, 1,455,203.70 and 926,590.20 is: 1,389,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,135.80 : 1,455,203.70 = 926,590.20 : x
  2. Step 2: Convert to fraction form
    970,135.80/1,455,203.70 = 926,590.20/x
  3. Step 3: Cross multiply
    970,135.80x = 1,455,203.70 × 926,590.20
  4. Step 4: Simplify right side
    970,135.80x = 1,348,377,487,423.74
  5. Step 5: Solve for x
    x = 1,348,377,487,423.74/970,135.80
  6. Step 6: Final answer
    x = 1,389,885.30

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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.