Home / 1,430,044.92-1,973,478.06-785,480.04

Finding the Fourth Proportional to 1,430,044.92, 1,973,478.06 and 785,480.04

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Solution

The fourth proportional to 1,430,044.92, 1,973,478.06 and 785,480.04 is: 1,083,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,044.92 : 1,973,478.06 = 785,480.04 : x
  2. Step 2: Convert to fraction form
    1,430,044.92/1,973,478.06 = 785,480.04/x
  3. Step 3: Cross multiply
    1,430,044.92x = 1,973,478.06 × 785,480.04
  4. Step 4: Simplify right side
    1,430,044.92x = 1,550,127,625,507.92
  5. Step 5: Solve for x
    x = 1,550,127,625,507.92/1,430,044.92
  6. Step 6: Final answer
    x = 1,083,971.28

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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.