Home / 1,152,443.52-1,590,107.76-693,434.88

Finding the Fourth Proportional to 1,152,443.52, 1,590,107.76 and 693,434.88

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Solution

The fourth proportional to 1,152,443.52, 1,590,107.76 and 693,434.88 is: 956,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,443.52 : 1,590,107.76 = 693,434.88 : x
  2. Step 2: Convert to fraction form
    1,152,443.52/1,590,107.76 = 693,434.88/x
  3. Step 3: Cross multiply
    1,152,443.52x = 1,590,107.76 × 693,434.88
  4. Step 4: Simplify right side
    1,152,443.52x = 1,102,636,183,742.67
  5. Step 5: Solve for x
    x = 1,102,636,183,742.67/1,152,443.52
  6. Step 6: Final answer
    x = 956,781.10

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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.