Home / 1,371,160.32-2,056,836.48-424,406.40

Finding the Fourth Proportional to 1,371,160.32, 2,056,836.48 and 424,406.40

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Solution

The fourth proportional to 1,371,160.32, 2,056,836.48 and 424,406.40 is: 636,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,160.32 : 2,056,836.48 = 424,406.40 : x
  2. Step 2: Convert to fraction form
    1,371,160.32/2,056,836.48 = 424,406.40/x
  3. Step 3: Cross multiply
    1,371,160.32x = 2,056,836.48 × 424,406.40
  4. Step 4: Simplify right side
    1,371,160.32x = 872,934,565,865.47
  5. Step 5: Solve for x
    x = 872,934,565,865.47/1,371,160.32
  6. Step 6: Final answer
    x = 636,639.31

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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.