Home / 1,249,390.40-1,873,531.56-575,308.40

Finding the Fourth Proportional to 1,249,390.40, 1,873,531.56 and 575,308.40

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Solution

The fourth proportional to 1,249,390.40, 1,873,531.56 and 575,308.40 is: 862,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,390.40 : 1,873,531.56 = 575,308.40 : x
  2. Step 2: Convert to fraction form
    1,249,390.40/1,873,531.56 = 575,308.40/x
  3. Step 3: Cross multiply
    1,249,390.40x = 1,873,531.56 × 575,308.40
  4. Step 4: Simplify right side
    1,249,390.40x = 1,077,858,444,133.10
  5. Step 5: Solve for x
    x = 1,077,858,444,133.10/1,249,390.40
  6. Step 6: Final answer
    x = 862,707.48

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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.