Home / 1,039,623.20-1,559,434.80-507,485.60

Finding the Fourth Proportional to 1,039,623.20, 1,559,434.80 and 507,485.60

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Solution

The fourth proportional to 1,039,623.20, 1,559,434.80 and 507,485.60 is: 761,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,623.20 : 1,559,434.80 = 507,485.60 : x
  2. Step 2: Convert to fraction form
    1,039,623.20/1,559,434.80 = 507,485.60/x
  3. Step 3: Cross multiply
    1,039,623.20x = 1,559,434.80 × 507,485.60
  4. Step 4: Simplify right side
    1,039,623.20x = 791,390,705,138.88
  5. Step 5: Solve for x
    x = 791,390,705,138.88/1,039,623.20
  6. Step 6: Final answer
    x = 761,228.40

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Double scale
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Similar ratio
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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.