Home / 1,187,119.80-1,780,210.71-377,212.95

Finding the Fourth Proportional to 1,187,119.80, 1,780,210.71 and 377,212.95

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Solution

The fourth proportional to 1,187,119.80, 1,780,210.71 and 377,212.95 is: 565,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,119.80 : 1,780,210.71 = 377,212.95 : x
  2. Step 2: Convert to fraction form
    1,187,119.80/1,780,210.71 = 377,212.95/x
  3. Step 3: Cross multiply
    1,187,119.80x = 1,780,210.71 × 377,212.95
  4. Step 4: Simplify right side
    1,187,119.80x = 671,518,533,540.70
  5. Step 5: Solve for x
    x = 671,518,533,540.70/1,187,119.80
  6. Step 6: Final answer
    x = 565,670.40

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1.5x scale

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.