Home / 1,021,395.60-1,532,421.45-452,556.90

Finding the Fourth Proportional to 1,021,395.60, 1,532,421.45 and 452,556.90

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Solution

The fourth proportional to 1,021,395.60, 1,532,421.45 and 452,556.90 is: 678,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,395.60 : 1,532,421.45 = 452,556.90 : x
  2. Step 2: Convert to fraction form
    1,021,395.60/1,532,421.45 = 452,556.90/x
  3. Step 3: Cross multiply
    1,021,395.60x = 1,532,421.45 × 452,556.90
  4. Step 4: Simplify right side
    1,021,395.60x = 693,507,900,905.51
  5. Step 5: Solve for x
    x = 693,507,900,905.51/1,021,395.60
  6. Step 6: Final answer
    x = 678,980.70

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1.5x scale

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.