Home / 1,369,698.64-1,890,239.89-757,841.49

Finding the Fourth Proportional to 1,369,698.64, 1,890,239.89 and 757,841.49

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Solution

The fourth proportional to 1,369,698.64, 1,890,239.89 and 757,841.49 is: 1,045,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,698.64 : 1,890,239.89 = 757,841.49 : x
  2. Step 2: Convert to fraction form
    1,369,698.64/1,890,239.89 = 757,841.49/x
  3. Step 3: Cross multiply
    1,369,698.64x = 1,890,239.89 × 757,841.49
  4. Step 4: Simplify right side
    1,369,698.64x = 1,432,502,219,897.01
  5. Step 5: Solve for x
    x = 1,432,502,219,897.01/1,369,698.64
  6. Step 6: Final answer
    x = 1,045,852.12

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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.