Home / 1,017,483.90-1,526,258.34-511,768.70

Finding the Fourth Proportional to 1,017,483.90, 1,526,258.34 and 511,768.70

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Solution

The fourth proportional to 1,017,483.90, 1,526,258.34 and 511,768.70 is: 767,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,483.90 : 1,526,258.34 = 511,768.70 : x
  2. Step 2: Convert to fraction form
    1,017,483.90/1,526,258.34 = 511,768.70/x
  3. Step 3: Cross multiply
    1,017,483.90x = 1,526,258.34 × 511,768.70
  4. Step 4: Simplify right side
    1,017,483.90x = 781,091,238,894.67
  5. Step 5: Solve for x
    x = 781,091,238,894.67/1,017,483.90
  6. Step 6: Final answer
    x = 767,669.38

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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.