Home / 1,331,878.60-1,998,012.30-433,167.40

Finding the Fourth Proportional to 1,331,878.60, 1,998,012.30 and 433,167.40

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Solution

The fourth proportional to 1,331,878.60, 1,998,012.30 and 433,167.40 is: 649,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,878.60 : 1,998,012.30 = 433,167.40 : x
  2. Step 2: Convert to fraction form
    1,331,878.60/1,998,012.30 = 433,167.40/x
  3. Step 3: Cross multiply
    1,331,878.60x = 1,998,012.30 × 433,167.40
  4. Step 4: Simplify right side
    1,331,878.60x = 865,473,793,159.02
  5. Step 5: Solve for x
    x = 865,473,793,159.02/1,331,878.60
  6. Step 6: Final answer
    x = 649,814.32

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1.5x scale

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.