Home / 1,307,055.60-1,960,704.24-508,397.76

Finding the Fourth Proportional to 1,307,055.60, 1,960,704.24 and 508,397.76

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Solution

The fourth proportional to 1,307,055.60, 1,960,704.24 and 508,397.76 is: 762,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,055.60 : 1,960,704.24 = 508,397.76 : x
  2. Step 2: Convert to fraction form
    1,307,055.60/1,960,704.24 = 508,397.76/x
  3. Step 3: Cross multiply
    1,307,055.60x = 1,960,704.24 × 508,397.76
  4. Step 4: Simplify right side
    1,307,055.60x = 996,817,643,638.50
  5. Step 5: Solve for x
    x = 996,817,643,638.50/1,307,055.60
  6. Step 6: Final answer
    x = 762,643.64

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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.