Home / 1,342,403.47-1,852,098.78-761,530.20

Finding the Fourth Proportional to 1,342,403.47, 1,852,098.78 and 761,530.20

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Solution

The fourth proportional to 1,342,403.47, 1,852,098.78 and 761,530.20 is: 1,050,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,403.47 : 1,852,098.78 = 761,530.20 : x
  2. Step 2: Convert to fraction form
    1,342,403.47/1,852,098.78 = 761,530.20/x
  3. Step 3: Cross multiply
    1,342,403.47x = 1,852,098.78 × 761,530.20
  4. Step 4: Simplify right side
    1,342,403.47x = 1,410,429,154,353.16
  5. Step 5: Solve for x
    x = 1,410,429,154,353.16/1,342,403.47
  6. Step 6: Final answer
    x = 1,050,674.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.