Home / 1,549,292.69-2,137,887.59-860,920.80

Finding the Fourth Proportional to 1,549,292.69, 2,137,887.59 and 860,920.80

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Solution

The fourth proportional to 1,549,292.69, 2,137,887.59 and 860,920.80 is: 1,187,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,292.69 : 2,137,887.59 = 860,920.80 : x
  2. Step 2: Convert to fraction form
    1,549,292.69/2,137,887.59 = 860,920.80/x
  3. Step 3: Cross multiply
    1,549,292.69x = 2,137,887.59 × 860,920.80
  4. Step 4: Simplify right side
    1,549,292.69x = 1,840,551,889,988.27
  5. Step 5: Solve for x
    x = 1,840,551,889,988.27/1,549,292.69
  6. Step 6: Final answer
    x = 1,187,994.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.