Home / 1,771,379.80-2,657,415.30-760,499.80

Finding the Fourth Proportional to 1,771,379.80, 2,657,415.30 and 760,499.80

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Solution

The fourth proportional to 1,771,379.80, 2,657,415.30 and 760,499.80 is: 1,140,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,379.80 : 2,657,415.30 = 760,499.80 : x
  2. Step 2: Convert to fraction form
    1,771,379.80/2,657,415.30 = 760,499.80/x
  3. Step 3: Cross multiply
    1,771,379.80x = 2,657,415.30 × 760,499.80
  4. Step 4: Simplify right side
    1,771,379.80x = 2,020,963,804,166.94
  5. Step 5: Solve for x
    x = 2,020,963,804,166.94/1,771,379.80
  6. Step 6: Final answer
    x = 1,140,898.08

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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.