Home / 1,048,685.40-1,574,210.70-694,391.40

Finding the Fourth Proportional to 1,048,685.40, 1,574,210.70 and 694,391.40

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Solution

The fourth proportional to 1,048,685.40, 1,574,210.70 and 694,391.40 is: 1,042,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,685.40 : 1,574,210.70 = 694,391.40 : x
  2. Step 2: Convert to fraction form
    1,048,685.40/1,574,210.70 = 694,391.40/x
  3. Step 3: Cross multiply
    1,048,685.40x = 1,574,210.70 × 694,391.40
  4. Step 4: Simplify right side
    1,048,685.40x = 1,093,118,371,867.98
  5. Step 5: Solve for x
    x = 1,093,118,371,867.98/1,048,685.40
  6. Step 6: Final answer
    x = 1,042,370.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.