Home / 1,679,010.90-2,316,967.49-915,048.02

Finding the Fourth Proportional to 1,679,010.90, 2,316,967.49 and 915,048.02

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Solution

The fourth proportional to 1,679,010.90, 2,316,967.49 and 915,048.02 is: 1,262,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,010.90 : 2,316,967.49 = 915,048.02 : x
  2. Step 2: Convert to fraction form
    1,679,010.90/2,316,967.49 = 915,048.02/x
  3. Step 3: Cross multiply
    1,679,010.90x = 2,316,967.49 × 915,048.02
  4. Step 4: Simplify right side
    1,679,010.90x = 2,120,136,514,128.87
  5. Step 5: Solve for x
    x = 2,120,136,514,128.87/1,679,010.90
  6. Step 6: Final answer
    x = 1,262,729.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.