Home / 1,369,302.97-1,889,473.45-788,714.93

Finding the Fourth Proportional to 1,369,302.97, 1,889,473.45 and 788,714.93

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Solution

The fourth proportional to 1,369,302.97, 1,889,473.45 and 788,714.93 is: 1,088,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,302.97 : 1,889,473.45 = 788,714.93 : x
  2. Step 2: Convert to fraction form
    1,369,302.97/1,889,473.45 = 788,714.93/x
  3. Step 3: Cross multiply
    1,369,302.97x = 1,889,473.45 × 788,714.93
  4. Step 4: Simplify right side
    1,369,302.97x = 1,490,255,919,853.61
  5. Step 5: Solve for x
    x = 1,490,255,919,853.61/1,369,302.97
  6. Step 6: Final answer
    x = 1,088,331.77

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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.