Home / 1,221,284.40-1,831,931.31-510,814.08

Finding the Fourth Proportional to 1,221,284.40, 1,831,931.31 and 510,814.08

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Solution

The fourth proportional to 1,221,284.40, 1,831,931.31 and 510,814.08 is: 766,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,284.40 : 1,831,931.31 = 510,814.08 : x
  2. Step 2: Convert to fraction form
    1,221,284.40/1,831,931.31 = 510,814.08/x
  3. Step 3: Cross multiply
    1,221,284.40x = 1,831,931.31 × 510,814.08
  4. Step 4: Simplify right side
    1,221,284.40x = 935,776,306,740.85
  5. Step 5: Solve for x
    x = 935,776,306,740.85/1,221,284.40
  6. Step 6: Final answer
    x = 766,223.09

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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.