Home / 1,017,351.60-1,526,270.40-307,386.60

Finding the Fourth Proportional to 1,017,351.60, 1,526,270.40 and 307,386.60

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Solution

The fourth proportional to 1,017,351.60, 1,526,270.40 and 307,386.60 is: 461,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,351.60 : 1,526,270.40 = 307,386.60 : x
  2. Step 2: Convert to fraction form
    1,017,351.60/1,526,270.40 = 307,386.60/x
  3. Step 3: Cross multiply
    1,017,351.60x = 1,526,270.40 × 307,386.60
  4. Step 4: Simplify right side
    1,017,351.60x = 469,155,068,936.64
  5. Step 5: Solve for x
    x = 469,155,068,936.64/1,017,351.60
  6. Step 6: Final answer
    x = 461,153.32

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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.