Home / 1,357,159.46-2,032,637.72-647,685.72

Finding the Fourth Proportional to 1,357,159.46, 2,032,637.72 and 647,685.72

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Solution

The fourth proportional to 1,357,159.46, 2,032,637.72 and 647,685.72 is: 970,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,159.46 : 2,032,637.72 = 647,685.72 : x
  2. Step 2: Convert to fraction form
    1,357,159.46/2,032,637.72 = 647,685.72/x
  3. Step 3: Cross multiply
    1,357,159.46x = 2,032,637.72 × 647,685.72
  4. Step 4: Simplify right side
    1,357,159.46x = 1,316,510,421,938.93
  5. Step 5: Solve for x
    x = 1,316,510,421,938.93/1,357,159.46
  6. Step 6: Final answer
    x = 970,048.45

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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.