Home / 1,430,574.64-1,974,191.36-785,993.24

Finding the Fourth Proportional to 1,430,574.64, 1,974,191.36 and 785,993.24

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Solution

The fourth proportional to 1,430,574.64, 1,974,191.36 and 785,993.24 is: 1,084,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,574.64 : 1,974,191.36 = 785,993.24 : x
  2. Step 2: Convert to fraction form
    1,430,574.64/1,974,191.36 = 785,993.24/x
  3. Step 3: Cross multiply
    1,430,574.64x = 1,974,191.36 × 785,993.24
  4. Step 4: Simplify right side
    1,430,574.64x = 1,551,701,063,426.41
  5. Step 5: Solve for x
    x = 1,551,701,063,426.41/1,430,574.64
  6. Step 6: Final answer
    x = 1,084,669.77

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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.