Home / 1,306,297.79-1,959,570.36-507,640.93

Finding the Fourth Proportional to 1,306,297.79, 1,959,570.36 and 507,640.93

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Solution

The fourth proportional to 1,306,297.79, 1,959,570.36 and 507,640.93 is: 761,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,297.79 : 1,959,570.36 = 507,640.93 : x
  2. Step 2: Convert to fraction form
    1,306,297.79/1,959,570.36 = 507,640.93/x
  3. Step 3: Cross multiply
    1,306,297.79x = 1,959,570.36 × 507,640.93
  4. Step 4: Simplify right side
    1,306,297.79x = 994,758,115,051.91
  5. Step 5: Solve for x
    x = 994,758,115,051.91/1,306,297.79
  6. Step 6: Final answer
    x = 761,509.45

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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.