Home / 1,108,139.00-1,529,166.02-642,956.91

Finding the Fourth Proportional to 1,108,139.00, 1,529,166.02 and 642,956.91

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Solution

The fourth proportional to 1,108,139.00, 1,529,166.02 and 642,956.91 is: 887,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,139.00 : 1,529,166.02 = 642,956.91 : x
  2. Step 2: Convert to fraction form
    1,108,139.00/1,529,166.02 = 642,956.91/x
  3. Step 3: Cross multiply
    1,108,139.00x = 1,529,166.02 × 642,956.91
  4. Step 4: Simplify right side
    1,108,139.00x = 983,187,855,881.41
  5. Step 5: Solve for x
    x = 983,187,855,881.41/1,108,139.00
  6. Step 6: Final answer
    x = 887,242.36

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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.