Home / 1,486,038.87-2,051,688.83-1,021,665.87

Finding the Fourth Proportional to 1,486,038.87, 2,051,688.83 and 1,021,665.87

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Solution

The fourth proportional to 1,486,038.87, 2,051,688.83 and 1,021,665.87 is: 1,410,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,038.87 : 2,051,688.83 = 1,021,665.87 : x
  2. Step 2: Convert to fraction form
    1,486,038.87/2,051,688.83 = 1,021,665.87/x
  3. Step 3: Cross multiply
    1,486,038.87x = 2,051,688.83 × 1,021,665.87
  4. Step 4: Simplify right side
    1,486,038.87x = 2,096,140,448,362.90
  5. Step 5: Solve for x
    x = 2,096,140,448,362.90/1,486,038.87
  6. Step 6: Final answer
    x = 1,410,555.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.