Home / 1,360,248.31-1,877,158.56-779,459.95

Finding the Fourth Proportional to 1,360,248.31, 1,877,158.56 and 779,459.95

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Solution

The fourth proportional to 1,360,248.31, 1,877,158.56 and 779,459.95 is: 1,075,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,248.31 : 1,877,158.56 = 779,459.95 : x
  2. Step 2: Convert to fraction form
    1,360,248.31/1,877,158.56 = 779,459.95/x
  3. Step 3: Cross multiply
    1,360,248.31x = 1,877,158.56 × 779,459.95
  4. Step 4: Simplify right side
    1,360,248.31x = 1,463,169,917,319.67
  5. Step 5: Solve for x
    x = 1,463,169,917,319.67/1,360,248.31
  6. Step 6: Final answer
    x = 1,075,663.84

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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.