Home / 1,415,638.62-1,953,513.99-771,055.74

Finding the Fourth Proportional to 1,415,638.62, 1,953,513.99 and 771,055.74

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Solution

The fourth proportional to 1,415,638.62, 1,953,513.99 and 771,055.74 is: 1,064,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,638.62 : 1,953,513.99 = 771,055.74 : x
  2. Step 2: Convert to fraction form
    1,415,638.62/1,953,513.99 = 771,055.74/x
  3. Step 3: Cross multiply
    1,415,638.62x = 1,953,513.99 × 771,055.74
  4. Step 4: Simplify right side
    1,415,638.62x = 1,506,268,175,159.80
  5. Step 5: Solve for x
    x = 1,506,268,175,159.80/1,415,638.62
  6. Step 6: Final answer
    x = 1,064,020.26

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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.