Home / 1,307,907.40-1,960,824.30-716,931.40

Finding the Fourth Proportional to 1,307,907.40, 1,960,824.30 and 716,931.40

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Solution

The fourth proportional to 1,307,907.40, 1,960,824.30 and 716,931.40 is: 1,074,828.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,907.40 : 1,960,824.30 = 716,931.40 : x
  2. Step 2: Convert to fraction form
    1,307,907.40/1,960,824.30 = 716,931.40/x
  3. Step 3: Cross multiply
    1,307,907.40x = 1,960,824.30 × 716,931.40
  4. Step 4: Simplify right side
    1,307,907.40x = 1,405,776,510,553.02
  5. Step 5: Solve for x
    x = 1,405,776,510,553.02/1,307,907.40
  6. Step 6: Final answer
    x = 1,074,828.78

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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.