Home / 1,187,093.32-1,638,271.93-670,894.92

Finding the Fourth Proportional to 1,187,093.32, 1,638,271.93 and 670,894.92

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Solution

The fourth proportional to 1,187,093.32, 1,638,271.93 and 670,894.92 is: 925,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,093.32 : 1,638,271.93 = 670,894.92 : x
  2. Step 2: Convert to fraction form
    1,187,093.32/1,638,271.93 = 670,894.92/x
  3. Step 3: Cross multiply
    1,187,093.32x = 1,638,271.93 × 670,894.92
  4. Step 4: Simplify right side
    1,187,093.32x = 1,099,108,312,061.12
  5. Step 5: Solve for x
    x = 1,099,108,312,061.12/1,187,093.32
  6. Step 6: Final answer
    x = 925,881.98

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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.