Home / 1,055,045.32-1,455,962.88-571,613.80

Finding the Fourth Proportional to 1,055,045.32, 1,455,962.88 and 571,613.80

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Solution

The fourth proportional to 1,055,045.32, 1,455,962.88 and 571,613.80 is: 788,827.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,045.32 : 1,455,962.88 = 571,613.80 : x
  2. Step 2: Convert to fraction form
    1,055,045.32/1,455,962.88 = 571,613.80/x
  3. Step 3: Cross multiply
    1,055,045.32x = 1,455,962.88 × 571,613.80
  4. Step 4: Simplify right side
    1,055,045.32x = 832,248,474,495.74
  5. Step 5: Solve for x
    x = 832,248,474,495.74/1,055,045.32
  6. Step 6: Final answer
    x = 788,827.23

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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.