Home / 1,488,390.60-2,232,585.90-541,638.30

Finding the Fourth Proportional to 1,488,390.60, 2,232,585.90 and 541,638.30

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Solution

The fourth proportional to 1,488,390.60, 2,232,585.90 and 541,638.30 is: 812,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,390.60 : 2,232,585.90 = 541,638.30 : x
  2. Step 2: Convert to fraction form
    1,488,390.60/2,232,585.90 = 541,638.30/x
  3. Step 3: Cross multiply
    1,488,390.60x = 2,232,585.90 × 541,638.30
  4. Step 4: Simplify right side
    1,488,390.60x = 1,209,254,031,479.97
  5. Step 5: Solve for x
    x = 1,209,254,031,479.97/1,488,390.60
  6. Step 6: Final answer
    x = 812,457.45

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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.