Home / 1,999,038.90-2,997,733.44-767,860.74

Finding the Fourth Proportional to 1,999,038.90, 2,997,733.44 and 767,860.74

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Solution

The fourth proportional to 1,999,038.90, 2,997,733.44 and 767,860.74 is: 1,151,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,038.90 : 2,997,733.44 = 767,860.74 : x
  2. Step 2: Convert to fraction form
    1,999,038.90/2,997,733.44 = 767,860.74/x
  3. Step 3: Cross multiply
    1,999,038.90x = 2,997,733.44 × 767,860.74
  4. Step 4: Simplify right side
    1,999,038.90x = 2,301,841,817,561.15
  5. Step 5: Solve for x
    x = 2,301,841,817,561.15/1,999,038.90
  6. Step 6: Final answer
    x = 1,151,474.25

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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.