Home / 1,249,681.74-1,724,560.38-676,721.76

Finding the Fourth Proportional to 1,249,681.74, 1,724,560.38 and 676,721.76

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Solution

The fourth proportional to 1,249,681.74, 1,724,560.38 and 676,721.76 is: 933,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,681.74 : 1,724,560.38 = 676,721.76 : x
  2. Step 2: Convert to fraction form
    1,249,681.74/1,724,560.38 = 676,721.76/x
  3. Step 3: Cross multiply
    1,249,681.74x = 1,724,560.38 × 676,721.76
  4. Step 4: Simplify right side
    1,249,681.74x = 1,167,047,535,579.87
  5. Step 5: Solve for x
    x = 1,167,047,535,579.87/1,249,681.74
  6. Step 6: Final answer
    x = 933,875.80

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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.