Home / 1,240,615.04-1,860,900.94-679,343.36

Finding the Fourth Proportional to 1,240,615.04, 1,860,900.94 and 679,343.36

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Solution

The fourth proportional to 1,240,615.04, 1,860,900.94 and 679,343.36 is: 1,019,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,615.04 : 1,860,900.94 = 679,343.36 : x
  2. Step 2: Convert to fraction form
    1,240,615.04/1,860,900.94 = 679,343.36/x
  3. Step 3: Cross multiply
    1,240,615.04x = 1,860,900.94 × 679,343.36
  4. Step 4: Simplify right side
    1,240,615.04x = 1,264,190,697,206.76
  5. Step 5: Solve for x
    x = 1,264,190,697,206.76/1,240,615.04
  6. Step 6: Final answer
    x = 1,019,003.20

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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.