Home / 1,064,857.98-1,471,058.54-921,368.90

Finding the Fourth Proportional to 1,064,857.98, 1,471,058.54 and 921,368.90

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Solution

The fourth proportional to 1,064,857.98, 1,471,058.54 and 921,368.90 is: 1,272,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,857.98 : 1,471,058.54 = 921,368.90 : x
  2. Step 2: Convert to fraction form
    1,064,857.98/1,471,058.54 = 921,368.90/x
  3. Step 3: Cross multiply
    1,064,857.98x = 1,471,058.54 × 921,368.90
  4. Step 4: Simplify right side
    1,064,857.98x = 1,355,387,588,835.41
  5. Step 5: Solve for x
    x = 1,355,387,588,835.41/1,064,857.98
  6. Step 6: Final answer
    x = 1,272,834.14

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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.