Home / 1,487,970.20-2,232,041.70-423,090.20

Finding the Fourth Proportional to 1,487,970.20, 2,232,041.70 and 423,090.20

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Solution

The fourth proportional to 1,487,970.20, 2,232,041.70 and 423,090.20 is: 634,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,970.20 : 2,232,041.70 = 423,090.20 : x
  2. Step 2: Convert to fraction form
    1,487,970.20/2,232,041.70 = 423,090.20/x
  3. Step 3: Cross multiply
    1,487,970.20x = 2,232,041.70 × 423,090.20
  4. Step 4: Simplify right side
    1,487,970.20x = 944,354,969,261.34
  5. Step 5: Solve for x
    x = 944,354,969,261.34/1,487,970.20
  6. Step 6: Final answer
    x = 634,659.87

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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.