Home / 1,001,780.55-1,502,297.21-402,538.91

Finding the Fourth Proportional to 1,001,780.55, 1,502,297.21 and 402,538.91

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Solution

The fourth proportional to 1,001,780.55, 1,502,297.21 and 402,538.91 is: 603,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,780.55 : 1,502,297.21 = 402,538.91 : x
  2. Step 2: Convert to fraction form
    1,001,780.55/1,502,297.21 = 402,538.91/x
  3. Step 3: Cross multiply
    1,001,780.55x = 1,502,297.21 × 402,538.91
  4. Step 4: Simplify right side
    1,001,780.55x = 604,733,071,885.26
  5. Step 5: Solve for x
    x = 604,733,071,885.26/1,001,780.55
  6. Step 6: Final answer
    x = 603,658.23

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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.