Home / 1,684,686.40-2,527,904.40-738,152.80

Finding the Fourth Proportional to 1,684,686.40, 2,527,904.40 and 738,152.80

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Solution

The fourth proportional to 1,684,686.40, 2,527,904.40 and 738,152.80 is: 1,107,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,686.40 : 2,527,904.40 = 738,152.80 : x
  2. Step 2: Convert to fraction form
    1,684,686.40/2,527,904.40 = 738,152.80/x
  3. Step 3: Cross multiply
    1,684,686.40x = 2,527,904.40 × 738,152.80
  4. Step 4: Simplify right side
    1,684,686.40x = 1,865,979,710,992.32
  5. Step 5: Solve for x
    x = 1,865,979,710,992.32/1,684,686.40
  6. Step 6: Final answer
    x = 1,107,612.50

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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.