Home / 1,445,900.40-2,168,461.80-435,020.40

Finding the Fourth Proportional to 1,445,900.40, 2,168,461.80 and 435,020.40

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Solution

The fourth proportional to 1,445,900.40, 2,168,461.80 and 435,020.40 is: 652,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,900.40 : 2,168,461.80 = 435,020.40 : x
  2. Step 2: Convert to fraction form
    1,445,900.40/2,168,461.80 = 435,020.40/x
  3. Step 3: Cross multiply
    1,445,900.40x = 2,168,461.80 × 435,020.40
  4. Step 4: Simplify right side
    1,445,900.40x = 943,325,119,620.72
  5. Step 5: Solve for x
    x = 943,325,119,620.72/1,445,900.40
  6. Step 6: Final answer
    x = 652,413.62

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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.