Home / 1,439,943-2,160,264.42-442,671

Finding the Fourth Proportional to 1,439,943, 2,160,264.42 and 442,671

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Solution

The fourth proportional to 1,439,943, 2,160,264.42 and 442,671 is: 664,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,943 : 2,160,264.42 = 442,671 : x
  2. Step 2: Convert to fraction form
    1,439,943/2,160,264.42 = 442,671/x
  3. Step 3: Cross multiply
    1,439,943x = 2,160,264.42 × 442,671
  4. Step 4: Simplify right side
    1,439,943x = 956,286,411,065.82
  5. Step 5: Solve for x
    x = 956,286,411,065.82/1,439,943
  6. Step 6: Final answer
    x = 664,114.07

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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.