Home / 1,430,781.60-2,144,176.32-1,075,379.52

Finding the Fourth Proportional to 1,430,781.60, 2,144,176.32 and 1,075,379.52

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Solution

The fourth proportional to 1,430,781.60, 2,144,176.32 and 1,075,379.52 is: 1,611,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,781.60 : 2,144,176.32 = 1,075,379.52 : x
  2. Step 2: Convert to fraction form
    1,430,781.60/2,144,176.32 = 1,075,379.52/x
  3. Step 3: Cross multiply
    1,430,781.60x = 2,144,176.32 × 1,075,379.52
  4. Step 4: Simplify right side
    1,430,781.60x = 2,305,803,301,796.97
  5. Step 5: Solve for x
    x = 2,305,803,301,796.97/1,430,781.60
  6. Step 6: Final answer
    x = 1,611,569.02

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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.