Home / 1,349,792.71-1,862,916.77-776,722.16

Finding the Fourth Proportional to 1,349,792.71, 1,862,916.77 and 776,722.16

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Solution

The fourth proportional to 1,349,792.71, 1,862,916.77 and 776,722.16 is: 1,071,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,792.71 : 1,862,916.77 = 776,722.16 : x
  2. Step 2: Convert to fraction form
    1,349,792.71/1,862,916.77 = 776,722.16/x
  3. Step 3: Cross multiply
    1,349,792.71x = 1,862,916.77 × 776,722.16
  4. Step 4: Simplify right side
    1,349,792.71x = 1,446,968,744,093.72
  5. Step 5: Solve for x
    x = 1,446,968,744,093.72/1,349,792.71
  6. Step 6: Final answer
    x = 1,071,993.30

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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.