Home / 1,657,822.10-2,488,045.35-647,428.10

Finding the Fourth Proportional to 1,657,822.10, 2,488,045.35 and 647,428.10

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Solution

The fourth proportional to 1,657,822.10, 2,488,045.35 and 647,428.10 is: 971,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,822.10 : 2,488,045.35 = 647,428.10 : x
  2. Step 2: Convert to fraction form
    1,657,822.10/2,488,045.35 = 647,428.10/x
  3. Step 3: Cross multiply
    1,657,822.10x = 2,488,045.35 × 647,428.10
  4. Step 4: Simplify right side
    1,657,822.10x = 1,610,830,473,664.34
  5. Step 5: Solve for x
    x = 1,610,830,473,664.34/1,657,822.10
  6. Step 6: Final answer
    x = 971,654.60

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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.