Home / 1,405,897.19-2,108,740.56-507,338.90

Finding the Fourth Proportional to 1,405,897.19, 2,108,740.56 and 507,338.90

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Solution

The fourth proportional to 1,405,897.19, 2,108,740.56 and 507,338.90 is: 760,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,897.19 : 2,108,740.56 = 507,338.90 : x
  2. Step 2: Convert to fraction form
    1,405,897.19/2,108,740.56 = 507,338.90/x
  3. Step 3: Cross multiply
    1,405,897.19x = 2,108,740.56 × 507,338.90
  4. Step 4: Simplify right side
    1,405,897.19x = 1,069,846,116,095.78
  5. Step 5: Solve for x
    x = 1,069,846,116,095.78/1,405,897.19
  6. Step 6: Final answer
    x = 760,970.38

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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.