Home / 1,298,497.40-1,947,746.10-412,033.40

Finding the Fourth Proportional to 1,298,497.40, 1,947,746.10 and 412,033.40

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Solution

The fourth proportional to 1,298,497.40, 1,947,746.10 and 412,033.40 is: 618,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,497.40 : 1,947,746.10 = 412,033.40 : x
  2. Step 2: Convert to fraction form
    1,298,497.40/1,947,746.10 = 412,033.40/x
  3. Step 3: Cross multiply
    1,298,497.40x = 1,947,746.10 × 412,033.40
  4. Step 4: Simplify right side
    1,298,497.40x = 802,536,447,919.74
  5. Step 5: Solve for x
    x = 802,536,447,919.74/1,298,497.40
  6. Step 6: Final answer
    x = 618,050.10

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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.