Home / 1,385,672.24-1,911,168.60-956,670.32

Finding the Fourth Proportional to 1,385,672.24, 1,911,168.60 and 956,670.32

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Solution

The fourth proportional to 1,385,672.24, 1,911,168.60 and 956,670.32 is: 1,319,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,672.24 : 1,911,168.60 = 956,670.32 : x
  2. Step 2: Convert to fraction form
    1,385,672.24/1,911,168.60 = 956,670.32/x
  3. Step 3: Cross multiply
    1,385,672.24x = 1,911,168.60 × 956,670.32
  4. Step 4: Simplify right side
    1,385,672.24x = 1,828,358,276,135.95
  5. Step 5: Solve for x
    x = 1,828,358,276,135.95/1,385,672.24
  6. Step 6: Final answer
    x = 1,319,473.84

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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.