Home / 1,640,746.76-2,264,230.98-905,701.48

Finding the Fourth Proportional to 1,640,746.76, 2,264,230.98 and 905,701.48

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Solution

The fourth proportional to 1,640,746.76, 2,264,230.98 and 905,701.48 is: 1,249,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,746.76 : 2,264,230.98 = 905,701.48 : x
  2. Step 2: Convert to fraction form
    1,640,746.76/2,264,230.98 = 905,701.48/x
  3. Step 3: Cross multiply
    1,640,746.76x = 2,264,230.98 × 905,701.48
  4. Step 4: Simplify right side
    1,640,746.76x = 2,050,717,349,647.85
  5. Step 5: Solve for x
    x = 2,050,717,349,647.85/1,640,746.76
  6. Step 6: Final answer
    x = 1,249,868.29

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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.