Home / 1,436,308.94-2,154,778.74-425,510.03

Finding the Fourth Proportional to 1,436,308.94, 2,154,778.74 and 425,510.03

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Solution

The fourth proportional to 1,436,308.94, 2,154,778.74 and 425,510.03 is: 638,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,308.94 : 2,154,778.74 = 425,510.03 : x
  2. Step 2: Convert to fraction form
    1,436,308.94/2,154,778.74 = 425,510.03/x
  3. Step 3: Cross multiply
    1,436,308.94x = 2,154,778.74 × 425,510.03
  4. Step 4: Simplify right side
    1,436,308.94x = 916,879,966,300.76
  5. Step 5: Solve for x
    x = 916,879,966,300.76/1,436,308.94
  6. Step 6: Final answer
    x = 638,358.46

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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.