Home / 1,045,384.80-1,566,464.40-777,890.40

Finding the Fourth Proportional to 1,045,384.80, 1,566,464.40 and 777,890.40

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Solution

The fourth proportional to 1,045,384.80, 1,566,464.40 and 777,890.40 is: 1,165,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,384.80 : 1,566,464.40 = 777,890.40 : x
  2. Step 2: Convert to fraction form
    1,045,384.80/1,566,464.40 = 777,890.40/x
  3. Step 3: Cross multiply
    1,045,384.80x = 1,566,464.40 × 777,890.40
  4. Step 4: Simplify right side
    1,045,384.80x = 1,218,537,618,701.76
  5. Step 5: Solve for x
    x = 1,218,537,618,701.76/1,045,384.80
  6. Step 6: Final answer
    x = 1,165,635.49

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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.