Home / 1,223,415.40-1,835,123.10-549,819.40

Finding the Fourth Proportional to 1,223,415.40, 1,835,123.10 and 549,819.40

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Solution

The fourth proportional to 1,223,415.40, 1,835,123.10 and 549,819.40 is: 824,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,415.40 : 1,835,123.10 = 549,819.40 : x
  2. Step 2: Convert to fraction form
    1,223,415.40/1,835,123.10 = 549,819.40/x
  3. Step 3: Cross multiply
    1,223,415.40x = 1,835,123.10 × 549,819.40
  4. Step 4: Simplify right side
    1,223,415.40x = 1,008,986,281,768.14
  5. Step 5: Solve for x
    x = 1,008,986,281,768.14/1,223,415.40
  6. Step 6: Final answer
    x = 824,729.10

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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.