Home / 1,097,750.52-1,644,925.28-761,445

Finding the Fourth Proportional to 1,097,750.52, 1,644,925.28 and 761,445

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Solution

The fourth proportional to 1,097,750.52, 1,644,925.28 and 761,445 is: 1,140,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,750.52 : 1,644,925.28 = 761,445 : x
  2. Step 2: Convert to fraction form
    1,097,750.52/1,644,925.28 = 761,445/x
  3. Step 3: Cross multiply
    1,097,750.52x = 1,644,925.28 × 761,445
  4. Step 4: Simplify right side
    1,097,750.52x = 1,252,520,129,829.60
  5. Step 5: Solve for x
    x = 1,252,520,129,829.60/1,097,750.52
  6. Step 6: Final answer
    x = 1,140,987.96

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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.