Home / 1,479,681.48-2,219,620.65-520,021.02

Finding the Fourth Proportional to 1,479,681.48, 2,219,620.65 and 520,021.02

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Solution

The fourth proportional to 1,479,681.48, 2,219,620.65 and 520,021.02 is: 780,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,681.48 : 2,219,620.65 = 520,021.02 : x
  2. Step 2: Convert to fraction form
    1,479,681.48/2,219,620.65 = 520,021.02/x
  3. Step 3: Cross multiply
    1,479,681.48x = 2,219,620.65 × 520,021.02
  4. Step 4: Simplify right side
    1,479,681.48x = 1,154,249,394,426.06
  5. Step 5: Solve for x
    x = 1,154,249,394,426.06/1,479,681.48
  6. Step 6: Final answer
    x = 780,066.12

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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.