Home / 1,379,075.77-2,070,551.28-705,640.15

Finding the Fourth Proportional to 1,379,075.77, 2,070,551.28 and 705,640.15

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Solution

The fourth proportional to 1,379,075.77, 2,070,551.28 and 705,640.15 is: 1,059,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,075.77 : 2,070,551.28 = 705,640.15 : x
  2. Step 2: Convert to fraction form
    1,379,075.77/2,070,551.28 = 705,640.15/x
  3. Step 3: Cross multiply
    1,379,075.77x = 2,070,551.28 × 705,640.15
  4. Step 4: Simplify right side
    1,379,075.77x = 1,461,064,115,801.89
  5. Step 5: Solve for x
    x = 1,461,064,115,801.89/1,379,075.77
  6. Step 6: Final answer
    x = 1,059,451.66

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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.