Home / 1,436,437.60-2,154,656.40-838,074.40

Finding the Fourth Proportional to 1,436,437.60, 2,154,656.40 and 838,074.40

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Solution

The fourth proportional to 1,436,437.60, 2,154,656.40 and 838,074.40 is: 1,257,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,437.60 : 2,154,656.40 = 838,074.40 : x
  2. Step 2: Convert to fraction form
    1,436,437.60/2,154,656.40 = 838,074.40/x
  3. Step 3: Cross multiply
    1,436,437.60x = 2,154,656.40 × 838,074.40
  4. Step 4: Simplify right side
    1,436,437.60x = 1,805,762,369,636.16
  5. Step 5: Solve for x
    x = 1,805,762,369,636.16/1,436,437.60
  6. Step 6: Final answer
    x = 1,257,111.60

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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.