Home / 1,025,205.60-1,537,808.40-671,311.20

Finding the Fourth Proportional to 1,025,205.60, 1,537,808.40 and 671,311.20

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Solution

The fourth proportional to 1,025,205.60, 1,537,808.40 and 671,311.20 is: 1,006,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,205.60 : 1,537,808.40 = 671,311.20 : x
  2. Step 2: Convert to fraction form
    1,025,205.60/1,537,808.40 = 671,311.20/x
  3. Step 3: Cross multiply
    1,025,205.60x = 1,537,808.40 × 671,311.20
  4. Step 4: Simplify right side
    1,025,205.60x = 1,032,348,002,374.08
  5. Step 5: Solve for x
    x = 1,032,348,002,374.08/1,025,205.60
  6. Step 6: Final answer
    x = 1,006,966.80

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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.