Home / 1,402,123.20-2,103,184.80-503,703.60

Finding the Fourth Proportional to 1,402,123.20, 2,103,184.80 and 503,703.60

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Solution

The fourth proportional to 1,402,123.20, 2,103,184.80 and 503,703.60 is: 755,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,123.20 : 2,103,184.80 = 503,703.60 : x
  2. Step 2: Convert to fraction form
    1,402,123.20/2,103,184.80 = 503,703.60/x
  3. Step 3: Cross multiply
    1,402,123.20x = 2,103,184.80 × 503,703.60
  4. Step 4: Simplify right side
    1,402,123.20x = 1,059,381,755,225.28
  5. Step 5: Solve for x
    x = 1,059,381,755,225.28/1,402,123.20
  6. Step 6: Final answer
    x = 755,555.40

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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.