Home / 1,868,259.90-2,802,001.05-520,074.30

Finding the Fourth Proportional to 1,868,259.90, 2,802,001.05 and 520,074.30

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Solution

The fourth proportional to 1,868,259.90, 2,802,001.05 and 520,074.30 is: 780,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,259.90 : 2,802,001.05 = 520,074.30 : x
  2. Step 2: Convert to fraction form
    1,868,259.90/2,802,001.05 = 520,074.30/x
  3. Step 3: Cross multiply
    1,868,259.90x = 2,802,001.05 × 520,074.30
  4. Step 4: Simplify right side
    1,868,259.90x = 1,457,248,734,678.02
  5. Step 5: Solve for x
    x = 1,457,248,734,678.02/1,868,259.90
  6. Step 6: Final answer
    x = 780,003.22

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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.