Home / 1,187,533.07-1,781,301.42-288,969.50

Finding the Fourth Proportional to 1,187,533.07, 1,781,301.42 and 288,969.50

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Solution

The fourth proportional to 1,187,533.07, 1,781,301.42 and 288,969.50 is: 433,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,533.07 : 1,781,301.42 = 288,969.50 : x
  2. Step 2: Convert to fraction form
    1,187,533.07/1,781,301.42 = 288,969.50/x
  3. Step 3: Cross multiply
    1,187,533.07x = 1,781,301.42 × 288,969.50
  4. Step 4: Simplify right side
    1,187,533.07x = 514,741,771,780.18
  5. Step 5: Solve for x
    x = 514,741,771,780.18/1,187,533.07
  6. Step 6: Final answer
    x = 433,454.69

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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.