Home / 1,241,381.10-1,860,322.05-766,656.30

Finding the Fourth Proportional to 1,241,381.10, 1,860,322.05 and 766,656.30

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Solution

The fourth proportional to 1,241,381.10, 1,860,322.05 and 766,656.30 is: 1,148,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,381.10 : 1,860,322.05 = 766,656.30 : x
  2. Step 2: Convert to fraction form
    1,241,381.10/1,860,322.05 = 766,656.30/x
  3. Step 3: Cross multiply
    1,241,381.10x = 1,860,322.05 × 766,656.30
  4. Step 4: Simplify right side
    1,241,381.10x = 1,426,227,619,661.42
  5. Step 5: Solve for x
    x = 1,426,227,619,661.42/1,241,381.10
  6. Step 6: Final answer
    x = 1,148,903.93

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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.