Home / 1,564,430-2,158,913.40-849,038

Finding the Fourth Proportional to 1,564,430, 2,158,913.40 and 849,038

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Solution

The fourth proportional to 1,564,430, 2,158,913.40 and 849,038 is: 1,171,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,430 : 2,158,913.40 = 849,038 : x
  2. Step 2: Convert to fraction form
    1,564,430/2,158,913.40 = 849,038/x
  3. Step 3: Cross multiply
    1,564,430x = 2,158,913.40 × 849,038
  4. Step 4: Simplify right side
    1,564,430x = 1,832,999,515,309.20
  5. Step 5: Solve for x
    x = 1,832,999,515,309.20/1,564,430
  6. Step 6: Final answer
    x = 1,171,672.44

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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.