Home / 1,007,681.04-1,390,536.72-554,971.92

Finding the Fourth Proportional to 1,007,681.04, 1,390,536.72 and 554,971.92

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Solution

The fourth proportional to 1,007,681.04, 1,390,536.72 and 554,971.92 is: 765,826.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,681.04 : 1,390,536.72 = 554,971.92 : x
  2. Step 2: Convert to fraction form
    1,007,681.04/1,390,536.72 = 554,971.92/x
  3. Step 3: Cross multiply
    1,007,681.04x = 1,390,536.72 × 554,971.92
  4. Step 4: Simplify right side
    1,007,681.04x = 771,708,833,328.90
  5. Step 5: Solve for x
    x = 771,708,833,328.90/1,007,681.04
  6. Step 6: Final answer
    x = 765,826.49

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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.