Home / 1,152,216.70-1,590,050.45-635,970.49

Finding the Fourth Proportional to 1,152,216.70, 1,590,050.45 and 635,970.49

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Solution

The fourth proportional to 1,152,216.70, 1,590,050.45 and 635,970.49 is: 877,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,216.70 : 1,590,050.45 = 635,970.49 : x
  2. Step 2: Convert to fraction form
    1,152,216.70/1,590,050.45 = 635,970.49/x
  3. Step 3: Cross multiply
    1,152,216.70x = 1,590,050.45 × 635,970.49
  4. Step 4: Simplify right side
    1,152,216.70x = 1,011,225,161,426.02
  5. Step 5: Solve for x
    x = 1,011,225,161,426.02/1,152,216.70
  6. Step 6: Final answer
    x = 877,634.53

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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.