Home / 1,478,281.60-2,217,422.40-973,412.65

Finding the Fourth Proportional to 1,478,281.60, 2,217,422.40 and 973,412.65

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Solution

The fourth proportional to 1,478,281.60, 2,217,422.40 and 973,412.65 is: 1,460,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,281.60 : 2,217,422.40 = 973,412.65 : x
  2. Step 2: Convert to fraction form
    1,478,281.60/2,217,422.40 = 973,412.65/x
  3. Step 3: Cross multiply
    1,478,281.60x = 2,217,422.40 × 973,412.65
  4. Step 4: Simplify right side
    1,478,281.60x = 2,158,467,014,553.36
  5. Step 5: Solve for x
    x = 2,158,467,014,553.36/1,478,281.60
  6. Step 6: Final answer
    x = 1,460,118.98

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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.