Home / 1,358,132.85-1,874,113.63-785,209.93

Finding the Fourth Proportional to 1,358,132.85, 1,874,113.63 and 785,209.93

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Solution

The fourth proportional to 1,358,132.85, 1,874,113.63 and 785,209.93 is: 1,083,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,132.85 : 1,874,113.63 = 785,209.93 : x
  2. Step 2: Convert to fraction form
    1,358,132.85/1,874,113.63 = 785,209.93/x
  3. Step 3: Cross multiply
    1,358,132.85x = 1,874,113.63 × 785,209.93
  4. Step 4: Simplify right side
    1,358,132.85x = 1,471,572,632,224.35
  5. Step 5: Solve for x
    x = 1,471,572,632,224.35/1,358,132.85
  6. Step 6: Final answer
    x = 1,083,526.28

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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.