Home / 1,860,075.22-2,790,248.15-779,503.12

Finding the Fourth Proportional to 1,860,075.22, 2,790,248.15 and 779,503.12

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Solution

The fourth proportional to 1,860,075.22, 2,790,248.15 and 779,503.12 is: 1,169,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,075.22 : 2,790,248.15 = 779,503.12 : x
  2. Step 2: Convert to fraction form
    1,860,075.22/2,790,248.15 = 779,503.12/x
  3. Step 3: Cross multiply
    1,860,075.22x = 2,790,248.15 × 779,503.12
  4. Step 4: Simplify right side
    1,860,075.22x = 2,175,007,134,601.71
  5. Step 5: Solve for x
    x = 2,175,007,134,601.71/1,860,075.22
  6. Step 6: Final answer
    x = 1,169,311.39

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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.