Home / 991,730.60-1,488,762.30-984,732.20

Finding the Fourth Proportional to 991,730.60, 1,488,762.30 and 984,732.20

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Solution

The fourth proportional to 991,730.60, 1,488,762.30 and 984,732.20 is: 1,478,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,730.60 : 1,488,762.30 = 984,732.20 : x
  2. Step 2: Convert to fraction form
    991,730.60/1,488,762.30 = 984,732.20/x
  3. Step 3: Cross multiply
    991,730.60x = 1,488,762.30 × 984,732.20
  4. Step 4: Simplify right side
    991,730.60x = 1,466,032,174,956.06
  5. Step 5: Solve for x
    x = 1,466,032,174,956.06/991,730.60
  6. Step 6: Final answer
    x = 1,478,256.47

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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.