Home / 1,038,698.80-1,558,048.20-684,113.20

Finding the Fourth Proportional to 1,038,698.80, 1,558,048.20 and 684,113.20

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Solution

The fourth proportional to 1,038,698.80, 1,558,048.20 and 684,113.20 is: 1,026,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,698.80 : 1,558,048.20 = 684,113.20 : x
  2. Step 2: Convert to fraction form
    1,038,698.80/1,558,048.20 = 684,113.20/x
  3. Step 3: Cross multiply
    1,038,698.80x = 1,558,048.20 × 684,113.20
  4. Step 4: Simplify right side
    1,038,698.80x = 1,065,881,339,856.24
  5. Step 5: Solve for x
    x = 1,065,881,339,856.24/1,038,698.80
  6. Step 6: Final answer
    x = 1,026,169.80

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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.