Home / 830,021.70-1,245,032.55-824,772.90

Finding the Fourth Proportional to 830,021.70, 1,245,032.55 and 824,772.90

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Solution

The fourth proportional to 830,021.70, 1,245,032.55 and 824,772.90 is: 1,237,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,021.70 : 1,245,032.55 = 824,772.90 : x
  2. Step 2: Convert to fraction form
    830,021.70/1,245,032.55 = 824,772.90/x
  3. Step 3: Cross multiply
    830,021.70x = 1,245,032.55 × 824,772.90
  4. Step 4: Simplify right side
    830,021.70x = 1,026,869,106,857.90
  5. Step 5: Solve for x
    x = 1,026,869,106,857.90/830,021.70
  6. Step 6: Final answer
    x = 1,237,159.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.