Home / 1,239,008.76-1,710,146.34-846,700.74

Finding the Fourth Proportional to 1,239,008.76, 1,710,146.34 and 846,700.74

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Solution

The fourth proportional to 1,239,008.76, 1,710,146.34 and 846,700.74 is: 1,168,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,008.76 : 1,710,146.34 = 846,700.74 : x
  2. Step 2: Convert to fraction form
    1,239,008.76/1,710,146.34 = 846,700.74/x
  3. Step 3: Cross multiply
    1,239,008.76x = 1,710,146.34 × 846,700.74
  4. Step 4: Simplify right side
    1,239,008.76x = 1,447,982,171,586.29
  5. Step 5: Solve for x
    x = 1,447,982,171,586.29/1,239,008.76
  6. Step 6: Final answer
    x = 1,168,661.77

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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.