Home / 1,003,554.60-1,505,331.90-578,401.80

Finding the Fourth Proportional to 1,003,554.60, 1,505,331.90 and 578,401.80

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Solution

The fourth proportional to 1,003,554.60, 1,505,331.90 and 578,401.80 is: 867,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,554.60 : 1,505,331.90 = 578,401.80 : x
  2. Step 2: Convert to fraction form
    1,003,554.60/1,505,331.90 = 578,401.80/x
  3. Step 3: Cross multiply
    1,003,554.60x = 1,505,331.90 × 578,401.80
  4. Step 4: Simplify right side
    1,003,554.60x = 870,686,680,557.42
  5. Step 5: Solve for x
    x = 870,686,680,557.42/1,003,554.60
  6. Step 6: Final answer
    x = 867,602.70

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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.