Home / 1,520,688.93-2,280,742.68-455,730.98

Finding the Fourth Proportional to 1,520,688.93, 2,280,742.68 and 455,730.98

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Solution

The fourth proportional to 1,520,688.93, 2,280,742.68 and 455,730.98 is: 683,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,688.93 : 2,280,742.68 = 455,730.98 : x
  2. Step 2: Convert to fraction form
    1,520,688.93/2,280,742.68 = 455,730.98/x
  3. Step 3: Cross multiply
    1,520,688.93x = 2,280,742.68 × 455,730.98
  4. Step 4: Simplify right side
    1,520,688.93x = 1,039,405,085,280.51
  5. Step 5: Solve for x
    x = 1,039,405,085,280.51/1,520,688.93
  6. Step 6: Final answer
    x = 683,509.34

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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.