Home / 1,520,658.90-2,098,509.53-947,701.35

Finding the Fourth Proportional to 1,520,658.90, 2,098,509.53 and 947,701.35

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Solution

The fourth proportional to 1,520,658.90, 2,098,509.53 and 947,701.35 is: 1,307,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,658.90 : 2,098,509.53 = 947,701.35 : x
  2. Step 2: Convert to fraction form
    1,520,658.90/2,098,509.53 = 947,701.35/x
  3. Step 3: Cross multiply
    1,520,658.90x = 2,098,509.53 × 947,701.35
  4. Step 4: Simplify right side
    1,520,658.90x = 1,988,760,309,830.36
  5. Step 5: Solve for x
    x = 1,988,760,309,830.36/1,520,658.90
  6. Step 6: Final answer
    x = 1,307,828.01

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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.