Home / 1,428,386.76-2,142,705.96-529,838.10

Finding the Fourth Proportional to 1,428,386.76, 2,142,705.96 and 529,838.10

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Solution

The fourth proportional to 1,428,386.76, 2,142,705.96 and 529,838.10 is: 794,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,386.76 : 2,142,705.96 = 529,838.10 : x
  2. Step 2: Convert to fraction form
    1,428,386.76/2,142,705.96 = 529,838.10/x
  3. Step 3: Cross multiply
    1,428,386.76x = 2,142,705.96 × 529,838.10
  4. Step 4: Simplify right side
    1,428,386.76x = 1,135,287,254,705.08
  5. Step 5: Solve for x
    x = 1,135,287,254,705.08/1,428,386.76
  6. Step 6: Final answer
    x = 794,803.82

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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.