Home / 1,005,075.92-1,387,001.40-575,354.72

Finding the Fourth Proportional to 1,005,075.92, 1,387,001.40 and 575,354.72

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Solution

The fourth proportional to 1,005,075.92, 1,387,001.40 and 575,354.72 is: 793,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,075.92 : 1,387,001.40 = 575,354.72 : x
  2. Step 2: Convert to fraction form
    1,005,075.92/1,387,001.40 = 575,354.72/x
  3. Step 3: Cross multiply
    1,005,075.92x = 1,387,001.40 × 575,354.72
  4. Step 4: Simplify right side
    1,005,075.92x = 798,017,802,136.61
  5. Step 5: Solve for x
    x = 798,017,802,136.61/1,005,075.92
  6. Step 6: Final answer
    x = 793,987.58

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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.