Home / 1,323,123.40-1,984,070.70-574,784.20

Finding the Fourth Proportional to 1,323,123.40, 1,984,070.70 and 574,784.20

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Solution

The fourth proportional to 1,323,123.40, 1,984,070.70 and 574,784.20 is: 861,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,123.40 : 1,984,070.70 = 574,784.20 : x
  2. Step 2: Convert to fraction form
    1,323,123.40/1,984,070.70 = 574,784.20/x
  3. Step 3: Cross multiply
    1,323,123.40x = 1,984,070.70 × 574,784.20
  4. Step 4: Simplify right side
    1,323,123.40x = 1,140,412,490,042.94
  5. Step 5: Solve for x
    x = 1,140,412,490,042.94/1,323,123.40
  6. Step 6: Final answer
    x = 861,909.40

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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.