Home / 1,039,962.70-1,559,944.05-480,090.70

Finding the Fourth Proportional to 1,039,962.70, 1,559,944.05 and 480,090.70

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Solution

The fourth proportional to 1,039,962.70, 1,559,944.05 and 480,090.70 is: 720,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,962.70 : 1,559,944.05 = 480,090.70 : x
  2. Step 2: Convert to fraction form
    1,039,962.70/1,559,944.05 = 480,090.70/x
  3. Step 3: Cross multiply
    1,039,962.70x = 1,559,944.05 × 480,090.70
  4. Step 4: Simplify right side
    1,039,962.70x = 748,914,630,925.34
  5. Step 5: Solve for x
    x = 748,914,630,925.34/1,039,962.70
  6. Step 6: Final answer
    x = 720,136.05

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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.