Home / 896,686.80-1,345,030.20-684,110.40

Finding the Fourth Proportional to 896,686.80, 1,345,030.20 and 684,110.40

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Solution

The fourth proportional to 896,686.80, 1,345,030.20 and 684,110.40 is: 1,026,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,686.80 : 1,345,030.20 = 684,110.40 : x
  2. Step 2: Convert to fraction form
    896,686.80/1,345,030.20 = 684,110.40/x
  3. Step 3: Cross multiply
    896,686.80x = 1,345,030.20 × 684,110.40
  4. Step 4: Simplify right side
    896,686.80x = 920,149,148,134.08
  5. Step 5: Solve for x
    x = 920,149,148,134.08/896,686.80
  6. Step 6: Final answer
    x = 1,026,165.60

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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.