Home / 1,803,423.96-2,705,316.57-666,485.01

Finding the Fourth Proportional to 1,803,423.96, 2,705,316.57 and 666,485.01

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Solution

The fourth proportional to 1,803,423.96, 2,705,316.57 and 666,485.01 is: 999,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,423.96 : 2,705,316.57 = 666,485.01 : x
  2. Step 2: Convert to fraction form
    1,803,423.96/2,705,316.57 = 666,485.01/x
  3. Step 3: Cross multiply
    1,803,423.96x = 2,705,316.57 × 666,485.01
  4. Step 4: Simplify right side
    1,803,423.96x = 1,803,052,941,209.62
  5. Step 5: Solve for x
    x = 1,803,052,941,209.62/1,803,423.96
  6. Step 6: Final answer
    x = 999,794.27

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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.