Home / 1,557,031.43-2,148,703.67-877,967.93

Finding the Fourth Proportional to 1,557,031.43, 2,148,703.67 and 877,967.93

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Solution

The fourth proportional to 1,557,031.43, 2,148,703.67 and 877,967.93 is: 1,211,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,031.43 : 2,148,703.67 = 877,967.93 : x
  2. Step 2: Convert to fraction form
    1,557,031.43/2,148,703.67 = 877,967.93/x
  3. Step 3: Cross multiply
    1,557,031.43x = 2,148,703.67 × 877,967.93
  4. Step 4: Simplify right side
    1,557,031.43x = 1,886,492,913,333.30
  5. Step 5: Solve for x
    x = 1,886,492,913,333.30/1,557,031.43
  6. Step 6: Final answer
    x = 1,211,595.91

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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.