Home / 1,000,307.40-1,380,374.46-570,571.56

Finding the Fourth Proportional to 1,000,307.40, 1,380,374.46 and 570,571.56

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Solution

The fourth proportional to 1,000,307.40, 1,380,374.46 and 570,571.56 is: 787,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,307.40 : 1,380,374.46 = 570,571.56 : x
  2. Step 2: Convert to fraction form
    1,000,307.40/1,380,374.46 = 570,571.56/x
  3. Step 3: Cross multiply
    1,000,307.40x = 1,380,374.46 × 570,571.56
  4. Step 4: Simplify right side
    1,000,307.40x = 787,602,409,026.36
  5. Step 5: Solve for x
    x = 787,602,409,026.36/1,000,307.40
  6. Step 6: Final answer
    x = 787,360.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.