Home / 1,038,701.30-1,558,051.95-684,115.70

Finding the Fourth Proportional to 1,038,701.30, 1,558,051.95 and 684,115.70

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Solution

The fourth proportional to 1,038,701.30, 1,558,051.95 and 684,115.70 is: 1,026,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,701.30 : 1,558,051.95 = 684,115.70 : x
  2. Step 2: Convert to fraction form
    1,038,701.30/1,558,051.95 = 684,115.70/x
  3. Step 3: Cross multiply
    1,038,701.30x = 1,558,051.95 × 684,115.70
  4. Step 4: Simplify right side
    1,038,701.30x = 1,065,887,800,410.61
  5. Step 5: Solve for x
    x = 1,065,887,800,410.61/1,038,701.30
  6. Step 6: Final answer
    x = 1,026,173.55

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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.