Home / 1,260,280.20-1,889,928.90-549,823.80

Finding the Fourth Proportional to 1,260,280.20, 1,889,928.90 and 549,823.80

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Solution

The fourth proportional to 1,260,280.20, 1,889,928.90 and 549,823.80 is: 824,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,280.20 : 1,889,928.90 = 549,823.80 : x
  2. Step 2: Convert to fraction form
    1,260,280.20/1,889,928.90 = 549,823.80/x
  3. Step 3: Cross multiply
    1,260,280.20x = 1,889,928.90 × 549,823.80
  4. Step 4: Simplify right side
    1,260,280.20x = 1,039,127,889,527.82
  5. Step 5: Solve for x
    x = 1,039,127,889,527.82/1,260,280.20
  6. Step 6: Final answer
    x = 824,521.32

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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.