Home / 977,167.90-1,465,751.85-809,206.30

Finding the Fourth Proportional to 977,167.90, 1,465,751.85 and 809,206.30

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Solution

The fourth proportional to 977,167.90, 1,465,751.85 and 809,206.30 is: 1,213,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,167.90 : 1,465,751.85 = 809,206.30 : x
  2. Step 2: Convert to fraction form
    977,167.90/1,465,751.85 = 809,206.30/x
  3. Step 3: Cross multiply
    977,167.90x = 1,465,751.85 × 809,206.30
  4. Step 4: Simplify right side
    977,167.90x = 1,186,095,631,256.66
  5. Step 5: Solve for x
    x = 1,186,095,631,256.66/977,167.90
  6. Step 6: Final answer
    x = 1,213,809.45

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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.