Home / 1,908,644-2,862,983.28-578,948

Finding the Fourth Proportional to 1,908,644, 2,862,983.28 and 578,948

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Solution

The fourth proportional to 1,908,644, 2,862,983.28 and 578,948 is: 868,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,644 : 2,862,983.28 = 578,948 : x
  2. Step 2: Convert to fraction form
    1,908,644/2,862,983.28 = 578,948/x
  3. Step 3: Cross multiply
    1,908,644x = 2,862,983.28 × 578,948
  4. Step 4: Simplify right side
    1,908,644x = 1,657,518,443,989.44
  5. Step 5: Solve for x
    x = 1,657,518,443,989.44/1,908,644
  6. Step 6: Final answer
    x = 868,427.24

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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.