Home / 1,018,434.74-1,527,983.80-485,886.87

Finding the Fourth Proportional to 1,018,434.74, 1,527,983.80 and 485,886.87

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Solution

The fourth proportional to 1,018,434.74, 1,527,983.80 and 485,886.87 is: 728,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,434.74 : 1,527,983.80 = 485,886.87 : x
  2. Step 2: Convert to fraction form
    1,018,434.74/1,527,983.80 = 485,886.87/x
  3. Step 3: Cross multiply
    1,018,434.74x = 1,527,983.80 × 485,886.87
  4. Step 4: Simplify right side
    1,018,434.74x = 742,427,264,777.99
  5. Step 5: Solve for x
    x = 742,427,264,777.99/1,018,434.74
  6. Step 6: Final answer
    x = 728,988.55

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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.