Home / 1,421,225.24-1,961,490.86-904,814.16

Finding the Fourth Proportional to 1,421,225.24, 1,961,490.86 and 904,814.16

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Solution

The fourth proportional to 1,421,225.24, 1,961,490.86 and 904,814.16 is: 1,248,770.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,225.24 : 1,961,490.86 = 904,814.16 : x
  2. Step 2: Convert to fraction form
    1,421,225.24/1,961,490.86 = 904,814.16/x
  3. Step 3: Cross multiply
    1,421,225.24x = 1,961,490.86 × 904,814.16
  4. Step 4: Simplify right side
    1,421,225.24x = 1,774,784,704,838.58
  5. Step 5: Solve for x
    x = 1,774,784,704,838.58/1,421,225.24
  6. Step 6: Final answer
    x = 1,248,770.89

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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.