Home / 1,374,406.65-2,066,038.65-977,794.20

Finding the Fourth Proportional to 1,374,406.65, 2,066,038.65 and 977,794.20

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Solution

The fourth proportional to 1,374,406.65, 2,066,038.65 and 977,794.20 is: 1,469,841.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,406.65 : 2,066,038.65 = 977,794.20 : x
  2. Step 2: Convert to fraction form
    1,374,406.65/2,066,038.65 = 977,794.20/x
  3. Step 3: Cross multiply
    1,374,406.65x = 2,066,038.65 × 977,794.20
  4. Step 4: Simplify right side
    1,374,406.65x = 2,020,160,608,945.83
  5. Step 5: Solve for x
    x = 2,020,160,608,945.83/1,374,406.65
  6. Step 6: Final answer
    x = 1,469,841.99

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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.